Gaya APA

Roberts, J, F, G, J, F, T, A. (2013). Theories Of Personality (8). New York: McGraw-Hill Education.

Gaya MLA

Roberts, Jess, Feist,, Gregory, J., Feist,, Tomi, Ann. "Theories Of Personality". 8 New York: McGraw-Hill Education, 2013. Text.