Akerlof, G. A. (1970). The market for "lemons": Quality uncertainty and the market mechanism. The Quarterly Journal of Economics, 84(3), 488-500. doi: 10.2307/1879431
American Association of Marriage and Family Therapy. (2015). Find MFT licensing boards. Retrieved from https://www.aamft.org/imis15/AAMFT/Content/Directories/MFT_Licensing_Boards.aspx 
Angrosino, M., & Rosenberg, J. (2011). Observations on observations: Continuities and challenges. In N. K. Denzin, & Y. K. Lincoln (Eds.), The SAGE handbook of qualitative research (4th ed., pp. 467-478). Los Angeles, CA: Sage. 
Armstrong, C. R., Tanaka, S., Reoch, L., Bronstein, L., Honce, J., Rozenberg, M., & Powell, M. A. (2015). Emotional arousal in two drama therapy core processes: Dramatic embodiment and dramatic projection. Drama Therapy Review, 1(2), 147-160. doi:http://dx.doi.org/10.1386/dtr.1.2.147_1 
Art Therapist Licensing Act A1783 (2013). Retrieved from the New Jersey legislature website: http://www.njleg.state.nj.us/2014/Bills/A2000/1783_I1.PDF 
Barham, M. (1995). Dramatherapy: The journey to becoming a profession. Dramatherapy, 17(1-2), 33-39. doi:10.1080/02630672.1995.9689390 
Brooks, D. K., & Gerstein, L. H. (1990). Counselor credentialing and interprofessional collaboration. Journal of Counseling and Development, 68(5), 484. doi: 10.1002/j.1556-6676.1990.tb01394.x
Buchanan, I. (2010a). Anti-foundationalism. Oxford Dictionary of Critical Theory. doi:10.1093/acref/9780199532919.001.0001
Buchanan, I. (2010b). Reification. The Oxford Dictionary of Critical Theory. doi:10.1093/acref/9780199532919.001.0001
Buske, L. (2012). Psychiatry—a recent profile of the profession. Canadian Collaborative Centre for Physician Resources. 
Butler, J. D. (2014). Navigating the intersection of education and therapy in the drama therapy classroom  (Doctoral dissertation). Retrieved from Spectrum. (978950)
California Institute of Integral Studies. (2014). Graduate programs. Retrieved from http://www.ciis.edu/Academics/Graduate_Programs.html
Canadian Association of Social Workers. (2011). Evaluation of foreign social work credentials: Common questions and answers. Retrieved from http://www.casw-acts.ca/sites/default/files/attachements/Common%20Questions%20and%20Answers_E.pdf 
Canadian Psychological Association. (2015). Provincial and territorial licensing requirements. Retrieved from http://www.cpa.ca/accreditation/PTlicensingrequirements 
CATAC Québec. (2016). CATAC qu'est-ce que les thérapies par les arts? What are creative arts therapies? Retrieved from https://www.youtube.com/watch?v=kj5tOK0MNl4 
Conseil Interprofessionel du Québec. (2014). Definition and list. Retrieved from https://professions-quebec.org/en/the-professional-orders/regulated-professions/definition-and-list/
Creswell, J. W. (2013). Qualitative inquiry and research design: Choosing among five approaches (3rd ed.). Los Angeles, CA: Sage. 
Denzin, N. K., & Lincoln, Y. K. (2005). Introduction: The discipline and practice of qualitative research. In N. K. Denzin, & Y. K. Lincoln (Eds.), The SAGE handbook of qualitative research (3rd ed., pp. 1-32). Thousand Oaks, CA: Sage. 
Denzin, N. K., & Lincoln, Y. K. (2011). Introduction: The discipline and practice of qualitative research. In N. K. Denzin, & Y. K. Lincoln (Eds.), The SAGE handbook of qualitative research (4th ed., pp. 1-26). Los Angeles, CA: Sage. 
Doktor, D. (1990). Does dramatherapy facilitate or hinder? Dramatherapy, 12(2), 5-6. doi: 10.1080/02630672.1990.9689337 
Doktor, D. (1992). Dramatherapy: A psychotherapy? Dramatherapy, 14(3), 9-11. doi:10.1080/02630672.1992.9689822 
Drama Therapists and Dance/ Movement Therapists Licensing Act A4582. (2015). Retrieved from the New Jersey legislature website: http://www.njleg.state.nj.us/2014/Bills/A5000/4582_I1.HTM 
Dunne, P. (2009). Narradrama: A narrative approach to drama therapy. In D. R. Johnson, & R. Emunah (Eds.), Current approaches to drama therapy (2nd ed., pp. 172-204). Springfield, IL: Charles C. Thomas. 
Edgar, P., DePasquale, C., Elkin-Young, R., Long, K., & McLellan, L. (2010). New York state CAT licensure fact sheet.. New York, NY: NADT. 
Feen-Calligan. (2012). Professional identity perceptions of dual-prepared art therapy graduates. Art Therapy, 29(4), 150-157. doi:10.1080/07421656.2012.730027 
Fox, R. E. (1996). Charlatanism, scientism, and psychology's social contract. The American Psychologist, 51(8), 777-784. doi: 10.1037/0003-066x.51.8.777
Friedman, M. (1962). Occupational licensure. In Capitalism and freedom (pp. 137-160). Chicago, IL: University of Chicago Press. 
Goode, W. J. (1960). Encroachment, charlatanism and the emerging profession: Psychology, sociology and medicine. American Sociological Revue, 25(6), 902-965. 
Gouvernement du Québec. (2005). Partageons nos compétences: Modernisation de la pratique professionnelle en santé mentale et en relations humaines (rapport trudeau), Dépôt legal U.S.C. 
Gouvernement du Québec. (2009). Bill 21 : An act to amend the professional code and other legislative provisions in the field of mental health and human relations. Retrieved from http://www2.publicationsduquebec.gouv.qc.ca/dynamicSearch/telecharge.php?type=5&file=2009C28A.PDF
Holmes, J., & Lindley, R. (1989). The values of psychotherapy. Oxford, U.K.: Oxford University Press. 
Holstein, J. A., & Gubrium, J. F. (2011). The constructionist analytics of interpretive practice. In N. K. Denzin, & Y. K. Lincoln (Eds.), The SAGE handbook of qualitative research (4th ed., pp. 341-358). Los Angeles, CA: Sage. 
Irwin, E. (2009). Psychoanalytic approach to drama therapy. In D. R. Johnson, & R. Emunah (Eds.), Current approaches to drama therapy (2nd ed., pp. 235-251). Springfield, IL: Charles C. Thomas. 
Jennings, S. E. (1998). Does dramatherapy exist? Dramatherapy, 20(2), 21-22. doi:10.1080/02630672.1998.9689481 
Johnson, D. R. (1982). Principles and techniques of drama therapy. The Arts in Psychotherapy, 9(2), 83-90. doi:10.1016/0197-4556(82)90011-9 
Johnson, D. R. (1985). Envisioning the link amongst creative arts therapies. The Arts in Psychotherapy, 12, 233-238.
Johnson, D. R. (1987). Introduction to the special issue on the 1985 NCATA conference. The Arts in Psychotherapy, 14, 197-199. doi:10.1016/0197-4556(87)90001-3
Johnson, D. R. (1991). On being one and many. The Arts in Psychotherapy, 18, 1-5. doi:10.1016/0197-4556(91)90002-R
Johnson, D. R. (1994). Shame dynamics among creative arts therapists. The Arts in Psychotherapy, 21(3), 173-178. doi:10.1016/0197-4556(94)90046-9
Jones, P. (1991). Dramatherapy: Five core processes. Dramatherapy, 14(1), 8. doi:10.1080/02630672.1991.9689804
Jones, P. (1996). Drama as therapy: Theory, practice and research (2nd ed.). London, U.K.; New York, NY: Routledge. 
Jones, P. (2012). Approaches to the futures of research Part 2 (based on the conference keynote, British Association of Dramatherapists conference 2011, measure for measures, researching, re-viewing and re-framing dramatherapy in practice). Dramatherapy, 34(3), 116-138. doi: 10.1080/02630672.2012.737630 
Kamberelis, G., & Dimitriadis, G. (2011). Focus groups: Contingent articulations of pedagogy, politics and inquiry. In N. K. Denzin, & Y. K. Lincoln (Eds.), The SAGE handbook of qualitative research (4th ed., pp. 545-562). Los Angeles, CA: Sage. 
Kleiner, M. M., & Krueger, A. B. (2010). The prevalence and effects of occupational licensing. British Journal of Industrial Relations, 48(4), 676-687. doi:10.1111/j.1467-8543.2010.00807.x 
Koltz, R. L., & Champe, J. (2010) A phenomenological case study: The transition of mental health counseling interns from students to professionals. Retrieved from http://counselingoutfitters.com/vistas/vistas10/Article_31.pdf
Landy, R. J. (1997). Drama therapy—the state of the art. The Arts in Psychotherapy, 24(1), 5-15. doi:10.1016/S0197-4556(96)00069-x
Landy, R. J. (2006). The future of drama therapy. The Arts in Psychotherapy, 33, 135-142. doi:10.1016/j.aip.2005.10.003 
Langley, D. M. (1993). When is a dramatherapist not a therapist? Dramatherapy, 15(2), 16-18. doi:10.1080/02630672.1993.9689351 
Langley, D. M. (1995). The path to professionalism: Are we training dramatherapists or psychotherapists? Dramatherapy, 17(1-2), 27-32. doi:10.1080/02630672.1995.9689389 
Law, M. T., & Kim, S. (2005). Specialization and regulation: The rise of professionals and the emergence of occupational licensing regulation. Journal of Economic History, 65(3), 723-756. doi:10.1017/S0022050705000264 
McBurney, R. E. (n.d.). Licensure, registration, and certification: Current status and future options. Retrieved from http://www.aapm.org/meetings/amos2/pdf/35-9920-98971-768.pdf
McCabe, D. P. (2013). Matrix links to state by state and province licensure-- a work in progress. (matrix). NADTA. Retrieved from http://www.nadta.org/assets/documents/matrixlinksforusandcanadaaworkinprogressfinaldraft06.pdf
Meldrum, B. (1994). Historical background and overview of dramatherapy. In S. Jennings, A. Cattanach, S. Mitchell, A. Chesner & B. Meldrum (Eds.), The handbook of dramatherapy (pp. 12-27). East Sussex, U.K.: Routledge. 
Miles, M. B., & Huberman, A. M. (1994). Qualitative data analysis: An expanded sourcebook (2nd ed.). Thousand Oaks, CA: Sage. 
Millward, L. (2012). Focus groups. In G. M. Breakwell, J. A. Smith & D. B. Wright (Eds.), Research methods in psychology (4th ed., pp. 411-438). Los Angeles, CA: Sage. 
Moustakas, C. (1994). Phenomenological research methods. Thousand Oaks, CA: Sage. 
Office des Professions du Québec. (2012). Bill 21: Shared professional skills in mental health and human relations: The people first – Explanatory guide. Retrieved from: https://www.cssspnql.com/docs/nouvelles/bill_21_explanatory-guide-word-03.pdf?sfvrsn=0
Orzack, L. H. (1971). Professionalization and prestige deficits. Sociological Focus, 4(3), 63-71. 
Plante, P. (2015). OPTA: Planification stratégique. OPTA 2015. Retrieved from https://www.youtube.com/watch?v=bftcOC6H3hQ
Praxis, n.. (2002). In Shorter Oxford English dictionary (5th ed., pp. 2313). Oxford, U.K.: Oxford University Press. 
Psychotherapy Act, 2007, S.O. 2007, c. 10, Sched. R (2015). Retrieved from the Government of Ontario website: http://www.ontario.ca/laws/statute/07p10#ys3
Reeder, J. M. (2015). APA divisions 29 & 17 pass resolution in favor of diverse training of masters-level practitioners. Retrieved from Coalition of Concerned Counselors website: http://www.concernedcounselors.org/apa-divisions-29-17-pass-resolution-in-favor-of-diverse-training-of-masters-level-practitioners-building-support-for-the-inclusion-of-psychologists-and-other-professions-in-the-continued-training-o/ 
Roach-Anleu, S. L. (1992). The professionalization of social work? A case study of three organizational settings. Sociology, 26(1), 23-43. 
Robiner, W. N. (2006).  The mental health professions: Workforce supply and demand, issues, and challenges. Clinical Psychology Review, 26(5), 600-625. doi:10.1016/j.cpr.2006.05.002 
Rubin, N. J., Bebeau, M., Leigh, I. W., Lichtenberg, J. W., Nelson, P. D., Portnoy, S., . . . Kaslow, N. J. (2007). The competency movement within psychology: An historical perspective. Professional Psychology: Research and Practice, 38(5), 452-462. doi:10.1037/0735-7028.38.5.452 
Scoble, S. (Ed.). (2015). ECArTE: Directory of european education and training programmes (2nd ed.). Plymouth, U.K.: University of Plymouth Press. 
Smith, H. B., Weikel, W. J., & Brooks Jr., D. K. (2011). The impact of credentialing on mental health counseling. In A. J. Palmo, W. J. Weikel & D. P. Borsos (Eds.), Foundations of mental health counseling (4th ed., pp. 311-323). Springfield, IL: Charles C. Thomas. 
Health and Care Professions Council. (2013). Standards of proficiency: Arts therapists. London, U.K. Retrieved from http://www.hpc-uk.org/assets/documents/100004FBStandards_of_Proficiency_Arts_Therapists.pdf
Strauss, A., & Corbin, J. (1998). Basics of qualitative research: Techniques and procedures for developing grounded theory (2nd ed.). Thousand Oaks, CA: Sage. 
Vagle, M. D. (2014). Crafting phenomenological research. Walnut Creek, CA: Left Coast Press. 
van Manen, M. (2014). Phenomenology of practice: Meaning-giving methods in phenomenological research and writing. Walnut Creek, CA: Left Coast Press. 
Weinberg, D. (2008). The philosophical foundations of constructionist research. In J. A. Holstein, & J. F. Gubrium (Eds.), Handbook of constructionist research (pp. 13-39). New York, NY: Guilford. 
Wilkinson, R. T., & Suh, S. (2012). Professional counselors' experiences pursuing state licensure. Alabama Counseling Association Journal, 38(1), 20-30. Retrieved from http://www.alabamacounseling.org/pdf/journal/fall2012.pdf
Williams-Saunders, J., Bailey, B., Schrader, C., & Horwood, T. (19). The dramatherapy/psychotherapy debate. Dramatherapy, 2(14), 21. doi:10.1080/02630672.1997.9689447