Corey, G., Callanan, P., & Corey, M. S. (1984). Issues and ethics in the helping professions (2nd ed.). Brooks.
Chicago Style (17. basım) AtıfCorey, Gerald, Patrick Callanan, ve Marianne S. Corey. Issues and Ethics in the Helping Professions. 2nd ed. Monterey: Brooks, 1984.
MLA (9th ed.) AtıfCorey, Gerald, et al. Issues and Ethics in the Helping Professions. 2nd ed. Brooks, 1984.
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