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

 - USA  HarperCollins Publishers  2009. 
 - 315p. 
<br/><br/><label>ISBN: </label>9780060731335 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Economics--Psychological aspects. 2. Economics--Socialogical aspects.
<br/><br/><label>LC Class. No.: </label>HB 74 .P8L479 2005