Dyfyniad APA
Hergenhahn, B. R., & Olson, M. H. (2003). An introduction to theories of personality (7th ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Hergenhahn, B. R., and Matthew H. Olson. An Introduction to Theories of Personality. 7th ed. Upper Saddle River, N.J.: Prentice Hall, 2003.
Dyfyniad MLA
Hergenhahn, B. R., and Matthew H. Olson. An Introduction to Theories of Personality. 7th ed. Prentice Hall, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.