Varian,R.Hal. <br/><br/>
Intermediate microeconomics :  a modern approach. 

 - 3rd  ed. 
 - new york :  W.W.Norton,  1993. 
 - 623  p. :  ill ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>microeconomics.