APA引文

Koocher, G. P., & Gerald P. Koocher; Patricia Keith-Spiegel. (1998). Ethics in psychology: Professional standards and cases. New York: Oxford University Press.

Trích dẫn kiểu Chicago

Koocher, Gerald P., và Gerald P. Koocher; Patricia Keith-Spiegel. Ethics in Psychology: Professional Standards and Cases. New York: Oxford University Press, 1998.

MLA引文

Koocher, Gerald P., và Gerald P. Koocher; Patricia Keith-Spiegel. Ethics in Psychology: Professional Standards and Cases. New York: Oxford University Press, 1998.