Παραπομπή APA

Willerman, L. (1979). Readings About Individual and Group Differences. W.H. Freeman.

Παραπομπή Chicago Style

Willerman, Lee. Readings About Individual and Group Differences. San Francisco: W.H. Freeman, 1979.

Παραπομπή MLA

Willerman, Lee. Readings About Individual and Group Differences. W.H. Freeman, 1979.