Individual differences and personality / 
Ashton, Michael C. 
 - USA :  Elsevier Academic Press,  2007. 
 - xxiv, 339 p.; 24.2 cm. 
<br/><br/>Includes references,index 
<br/><br/><label>ISBN: </label>9780123741295 
<br/><br/><label>Dewey Class. No.: </label>C 155.2 As3  2007