APA-referens (7:e uppl.)

HJELLE, L. A. (1992). Personality theories: Basic assumptions, research, andapplications.-- Ed.3. McGraw-Hill.

Chicago-referens (17:e uppl.)

HJELLE, Larry A. Personality Theories: Basic Assumptions, Research, Andapplications.-- Ed.3. New York: McGraw-Hill, 1992.

MLA-referens (9:e uppl.)

HJELLE, Larry A. Personality Theories: Basic Assumptions, Research, Andapplications.-- Ed.3. McGraw-Hill, 1992.