Παραπομπή APA

Tyler, L. E. (1968). Psychology of human differences/3e (3rd Ed.). Vakils, Feffer and Simons.

Παραπομπή Chicago Style

Tyler, Leona E. Psychology of Human Differences/3e. 3rd Ed. Bombay: Vakils, Feffer and Simons, 1968.

Παραπομπή MLA

Tyler, Leona E. Psychology of Human Differences/3e. 3rd Ed. Vakils, Feffer and Simons, 1968.