Cita APA (7th ed.)
Corey, G., & Corey, M. S. (1993). Issues and ethics in the helping professions. Brooks/Cole.
Cita Chicago (17th ed.)
Corey, Gerald, i Marianne S. Corey. Issues and Ethics in the Helping Professions. California: Brooks/Cole, 1993.
Cita MLA (9th ed.)
Corey, Gerald, i Marianne S. Corey. Issues and Ethics in the Helping Professions. Brooks/Cole, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.