Gaya APA

Lee, W., C., A, R. (2001). The Psychology Of Individual And Group Differences (Trawas) . San Francisco: W.H. Freeman And Co..

Gaya MLA

Lee, Willerman., C., Atkinson, Richard. "The Psychology Of Individual And Group Differences (Trawas)". San Francisco: W.H. Freeman And Co., 2001. Text.