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

 - 3rd. edition 
 - New York  W.W. Norton  1993 
 - xxiv, 623 pages : illustrations 
<br/><br/><label>ISBN: </label>0393963209 
<br/><br/><label>LC Class. No.: </label>HB 172 Var