Wetzstein, Michael E. <br/><br/>
Microeconomic theory :  concepts & connections / 
Michael E. Wetzstein 
 - New York :  Thomson South Western,  2005       
 - 822 p. 
<br/><br/><label>ISBN: </label>0324260296 
<br/><br/><label>LC Class. No.: </label>HB 172 W544m 2005