Corey, G., Callanan, P., & Corey, M. S. (1984). Issues and ethics in the helping professions (2nd ed.). Brooks.
Chicago (17e ed.) BronvermeldingCorey, Gerald, Patrick Callanan, en Marianne S. Corey. Issues and Ethics in the Helping Professions. 2nd ed. Monterey: Brooks, 1984.
MLA (9e ed.) BronvermeldingCorey, Gerald, et al. Issues and Ethics in the Helping Professions. 2nd ed. Brooks, 1984.
Let op: Deze citaties zijn niet altijd 100% accuraat.