Essentials of Understanding psychology  / 
Robert S. Feldman , Andrea Dinardo 
 - 4th ed. 
 - Toronto :  McGraw-Hill Ryerson ,  2012. 
 - xxv,664 p, ;  col ill. 
<br/><br/><label>ISBN: </label>9780070319837 
<br/><br/><label>LC Class. No.: </label>BF121  / .F44 2012