Παραπομπή APA

Hjellie, L. A., & Ziegler, D. J. (1976). Personality: Theories, basic assumption,research and applications. Mcgraw Hill Book Co.

Παραπομπή Chicago Style

Hjellie, Larry A., και Daniel J. Ziegler. Personality: Theories, Basic Assumption,research and Applications. New York: Mcgraw Hill Book Co, 1976.

Παραπομπή MLA

Hjellie, Larry A., και Daniel J. Ziegler. Personality: Theories, Basic Assumption,research and Applications. Mcgraw Hill Book Co, 1976.