Karl Case, E. <br/><br/>
Principles of microeconomics 
/ by Karl E. Case and Ray C. Fair. 
 - 6th ed. 
 - New Jersey :  Prentice Hall,  2001. 
 - xxxiii, 423 p. ;  32cm. 
<br/><br/><label>ISBN: </label>0-13-040690-2 
<br/><br/><label>Subjects--Index Terms: </label>Microeconomics. 
<br/><br/><label>Dewey Class. No.: </label>338.5 KAR  / 389