Corey, G., Callanan, P., & Corey, M. S. (1984). Issues and ethics in the helping professions (2nd ed.). Brooks.
Cita Chicago Style (17a ed.)Corey, Gerald, Patrick Callanan, y Marianne S. Corey. Issues and Ethics in the Helping Professions. 2nd ed. Monterey: Brooks, 1984.
Cita MLA (9a ed.)Corey, Gerald, et al. Issues and Ethics in the Helping Professions. 2nd ed. Brooks, 1984.
Precaución: Estas citas no son 100% exactas.