Gaya APA

Koocher, G, P., Keith-Spiegel, P. (2008). Ethics in Psychology and the Mental Health Professions : Standards and Cases Ed. 3'rd (3). Oxford: OXFORD University Press.

Gaya MLA

Koocher, Gerald, P.., Keith-Spiegel, Patricia. "Ethics in Psychology and the Mental Health Professions : Standards and Cases Ed. 3'rd". 3 Oxford: OXFORD University Press, 2008. Text.