Cita APA (7th ed.)
Duffy, K. G. e. (1996). Personal growth and behavior 96/97 (16th ed.). Dushkin.
Cita Chicago (17th ed.)
Duffy, Karen G. ed. Personal Growth and Behavior 96/97. 16th ed. Connecticut: Dushkin, 1996.
Cita MLA (9th ed.)
Duffy, Karen G. ed. Personal Growth and Behavior 96/97. 16th ed. Dushkin, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.