Workouts in intermediate microeconomics/ 
Theodore C Bergstrom.  
 - 7th ed. 
 - New York:   W.W.Norton &company,  2006. 
<br/><br/><label>ISBN: </label>393928810 
<br/><br/><label>Subjects--Topical Terms: </label><br/>_Microeconomics 
<br/><br/><label>LC Class. No.: </label>HB 172 .B48 2006