Levitt, Steven D. <br/><br/>
Freakonomics :  a rogue economist explores the hidden side of everything / 
Steven D. Levitt & Stephen J. Dubner. 
 - Rev. ed. 
 - New York, N.Y. :  Harper,  c2009. 
 - xiv, 315 p. ;  18 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0061956279 (International ed.) 9780061956270 (International ed.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics--Psychological aspects<br/>Economics--Sociological aspects