Maddi, S. R. (1996). Personality theories: A comparative analysis (6th ed.). Brooks/Cole Pub. Co.
Chicago-referens (17:e uppl.)Maddi, Salvatore R. Personality Theories: A Comparative Analysis. 6th ed. Pacific Grove, Calif: Brooks/Cole Pub. Co, 1996.
MLA-referens (9:e uppl.)Maddi, Salvatore R. Personality Theories: A Comparative Analysis. 6th ed. Brooks/Cole Pub. Co, 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.