Craighead W Edward Ed. <br/><br/>
Corsini encyclopedia of psychology and behavioral science 

 - 3rd 
 - New York, USA  John Wiley and Sons  2001 
 -  Vol. 1 .
<br/><br/><label>ISBN: </label>0-471-23949-6 
<br/><br/><label>Source: </label>Reference