Mankiw, N. Gregory. <br/><br/>
Microeconomics /. 
N. Gregory Mankiw. 
 - 3rd ed. 
 - Mexico:   Thomson  C 2004 
 - 495p.  21cm. 
<br/><br/><label>ISBN: </label>0324168624 
<br/><br/><label>Dewey Class. No.: </label>330