Barron's AP Psychology / 
Robert McEntarffer ,Allyson J. Wesley . 
 - 5th ed. 
 - USA:  Barron's ,  2012. 
 - xi,387 p,; 
<br/><br/><label>ISBN: </label>9780764147012 
<br/><br/><label>LC Class. No.: </label>BF121  / .M363 2012