Cita APA (7th ed.)
Corey, G., Callanan, P., Corey, C., & Corey, M. S. (2019). Issues and ethics in the helping professions (10th ed.). Cengage.
Cita Chicago (17th ed.)
Corey, Gerald, Patrick Callanan, Cindy Corey, i Marianne Schneider Corey. Issues and Ethics in the Helping Professions. 10th ed. Australia: Cengage, 2019.
Cita MLA (9th ed.)
Corey, Gerald, et al. Issues and Ethics in the Helping Professions. 10th ed. Cengage, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.