Levitt, Steven D <br/><br/>
Freakonomics : a rogue economist explores the hidden side of everything 

 - London  Penguing Books  2006 
 - xv,320p. : ill.  
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9780141019017 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics--Psychological aspects<br/>Economics--Sociological aspects