Corey, G., Corey, M. S., & Callanan, P. (1993). Issues and ethics in the helping professions. Brooks/Cole Pub.
Chicago Style (17. basım) AtıfCorey, Gerald, Marianne Schneider Corey, ve Patrick Callanan. Issues and Ethics in the Helping Professions. Pacific Grove, CA: Brooks/Cole Pub, 1993.
MLA (9th ed.) AtıfCorey, Gerald, et al. Issues and Ethics in the Helping Professions. Brooks/Cole Pub, 1993.
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