Ariely, Dan <br/><br/>
Predictably irrational : the hidden forces that shape our decisions /  
Dan Ariely 
 - London :  Harper ,  2009 
 - xxii, 280 p. :  ill.  20cm 
<br/><br/>Includes bibliographi reference ; p ; 259-267 and index 
<br/><br/><label>ISBN: </label>9780062018205