APA-referens (7:e uppl.)

Duffy, K. G. e. (1996). Personal growth and behavior 96/97 (16th ed.). Dushkin.

Chicago-referens (17:e uppl.)

Duffy, Karen G. ed. Personal Growth and Behavior 96/97. 16th ed. Connecticut: Dushkin, 1996.

MLA-referens (9:e uppl.)

Duffy, Karen G. ed. Personal Growth and Behavior 96/97. 16th ed. Dushkin, 1996.