APA استشهاد

Donohue & Graybar. (2009). Handbook of Contemporary Psychotherapy (1st.ed.).

استشهاد بنمط شيكاغو

Donohue و Graybar. Handbook of Contemporary Psychotherapy. 1st.ed. Los Angeles, 2009.

MLA استشهاد

Donohue و Graybar. Handbook of Contemporary Psychotherapy. 1st.ed. 2009.