APA (7e ed.) Bronvermelding
Corey, G., Callanan, P., Corey, C., & Corey, M. S. (2015). Issues and ethics in the helping professions (Ninth edition.). Brooks/Cole/Cengage Learning.
Chicago (17e ed.) Bronvermelding
Corey, Gerald, Patrick Callanan, Cindy Corey, en Marianne Schneider Corey. Issues and Ethics in the Helping Professions. Ninth edition. Australia: Brooks/Cole/Cengage Learning, 2015.
MLA (9e ed.) Bronvermelding
Corey, Gerald, et al. Issues and Ethics in the Helping Professions. Ninth edition. Brooks/Cole/Cengage Learning, 2015.
Let op: Deze citaties zijn niet altijd 100% accuraat.