Kaplan, Robert M. <br/><br/>
Psychological testing :  principles, applications, and issues / 
Robert M. Kaplan, Dennis P. Saccuzzo. 
 - 6th ed. 
 - Belmont, CA :  Wadsworth Cengage Learning,  2005 
 - xxi, 745 p. :  ill.   24 cm. 
<br/><br/>Includes bibliographical references (p. 622-688)  and indexes. 
<br/><br/><label>ISBN: </label>9788131502099;8131502090 
<br/><br/><label>LC Class. No.: </label>BF 176  / .K37 2005