Gravelle, Hugh <br/><br/>
Microeconomics 
/ by Hugh Gravelle et. al. 
 - London:  Longman,  1981. 
 - xiii,620p. 
<br/><br/><label>ISBN: </label>0582440750 
<br/><br/><label>Dewey Class. No.: </label>338.5  / GRA/M