Nicholson,Walter. <br/><br/>
Microeconomic theory :  basic principles and extensions. 

 - 7th  ed. 
 - new york :  Harcourt,  1997. 
 - 821  p. :  ill ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label>9780030244742 :  $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>macroeconomic.