Gaya APA

Easson, W, M. (1989). Appleton & Lange's Review of PSYCHIATRY. 4 th Ed. (4th). : Prentice Hall International.

Gaya MLA

Easson, Williams, M. "Appleton & Lange's Review of PSYCHIATRY. 4 th Ed.". 4th : Prentice Hall International, 1989. Text.