Annual editions : psychology 2007-2008

 Duffy, Karen G.;

Dubuque, IA : : McGraw-Hill , 2007

Annual editions : psychology 2008 / 2009

 Duffy, Karen G.;

Dubuque, IA : : McGraw-Hill , 2008

Annual editions : personal growth and behavior 07/08

 Duffy, Karen G.;

Amerika : McGraw-Hill , 2008

Annual editions : adolescent psychology 04/05

 Duffy, Karen G.;

Amerika : McGraw-Hill , 2004