Dyfyniad APA
Corey, G., Corey, M. S., & Corey, C. (2019). Issues & ethics in the helping professions (10E.). Cengage Learning.
Dyfyniad Arddull Chicago
Corey, Gerald, Marianne Schneider Corey, and Cindy Corey. Issues & Ethics in the Helping Professions. 10E. Australia: Cengage Learning, 2019.
Dyfyniad MLA
Corey, Gerald, et al. Issues & Ethics in the Helping Professions. 10E. Cengage Learning, 2019.
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