APA (7th ed.) Zitazioa

Corey, G., Callanan, P., & Corey, M. S. (1984). Issues and ethics in the helping professions (2nd ed.). Brooks.

Chicago Style (17th ed.) Zitazioa

Corey, Gerald, Patrick Callanan, eta Marianne S. Corey. Issues and Ethics in the Helping Professions. 2nd ed. Monterey: Brooks, 1984.

MLA (9th ed.) Zitazioa

Corey, Gerald, et al. Issues and Ethics in the Helping Professions. 2nd ed. Brooks, 1984.