Gaya APA

Schultz, D, P., Schultz, S, E. (2013). Theories of personality 10th-ed (ED-10). Wadsworth.: Wadsworth : Cengage, 2013.

Gaya MLA

Schultz, Duane, P.., Schultz, Sydney, Ellen.. "Theories of personality 10th-ed". ED-10 Wadsworth.: Wadsworth : Cengage, 2013, 2013. Text.