APA (7th ed.) Zitazioa
Hergenhahn, B. R., & Olson, M. H. (2003). An introduction to theories of personality (7th ed.). Prentice Hall.
Chicago Style (17th ed.) Zitazioa
Hergenhahn, B. R., eta Matthew H. Olson. An Introduction to Theories of Personality. 7th ed. Upper Saddle River, N.J.: Prentice Hall, 2003.
MLA (9th ed.) Zitazioa
Hergenhahn, B. R., eta Matthew H. Olson. An Introduction to Theories of Personality. 7th ed. Prentice Hall, 2003.
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