Browning, Edgar K <br/><br/>
Microeconomic :  theory and applications / 
Edgar K. Browning, Jacquelene M. Browning 
 - 3a ed. 
 - London :  Scoot, Foresman and Company,  1989 
 - 637 p. 
<br/><br/><label>ISBN: </label>0673497623 
<br/><br/><label>LC Class. No.: </label>HB 172  / B885m 1989