Levitt Steven D. <br/><br/>
Super freakonomics 
Levitt Steven D.; Dubner Stephen J. 
 - London  Allen Lane           2009 
 - xv,270p  cm. 
<br/><br/><label>ISBN: </label>987071399994 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:8:(S:44), P9