Gregory, Robert J. <br/><br/>
Psychological testing:  history, principles, and applications / 
Robert J. Gregory 
 - 7th ed. 
 - Harlow, England  Pearson  2015 
 - 589 p. 
 - Global Edition .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781292058801 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychological tests