Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.