FERGUSON, C.E. GOULD, J.P. <br/><br/>
MICROECONOMIC THEORY 

 - 5th Ed. 
 - ILLINOISE  Richard D. Irwin Inc., Illinoise   1980 
<br/><br/><label>ISBN: </label>0 256 02157 0 
<br/><br/><label>Dewey Class. No.: </label>338.5  / GOU/MI