Παραπομπή APA

Tyler, L. E. (1965). Psychology of human differences. Prentice Hall.

Παραπομπή Chicago Style

Tyler, Leona E. Psychology of Human Differences. New Jersy: Prentice Hall, 1965.

Παραπομπή MLA

Tyler, Leona E. Psychology of Human Differences. Prentice Hall, 1965.