Gaya APA

Feist, J., Feist, G, J. (2009). Theories of Personality 7'th Ed. (7). New York: McGraw-Hill Companies.

Gaya MLA

Feist, Jess., Feist, Gregory, J.. "Theories of Personality 7'th Ed.". 7 New York: McGraw-Hill Companies, 2009. Text.