Gregory, Robert J. , <br/><br/>
Psychological testing :  history, principles, and applications / 
Robert J. Gregory. 
 - 3rd ed. 
<br/><br/><label>ISBN: </label>0205304796 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychological tests.<br/>Psychological tests --History.
<br/><br/><label>LC Class. No.: </label>BF176   / .G74 2000