Allen, B. P. (1997). Personality theories: Development, growth, and diversity (2nd ed.). Allyn and Bacon.
Chicago-referens (17:e uppl.)Allen, Bem P. Personality Theories: Development, Growth, and Diversity. 2nd ed. Boston: Allyn and Bacon, 1997.
MLA-referens (9:e uppl.)Allen, Bem P. Personality Theories: Development, Growth, and Diversity. 2nd ed. Allyn and Bacon, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.