Varian, Hal R.  <br/><br/>
Intermediate microeconomics :  a modern approach / 
Hal R. Varian. 
 - fifth edition 
 - New York :  W.W. Norton and company,  c 1999. 
 - 662 p. 
<br/><br/><label>ISBN: </label>0393973700 
<br/><br/><label>Dewey Class. No.: </label>338.5