Mansfield, Edwin. <br/><br/>
Microeconomics :  theory, applications / 

 - 7th ed. 
 - New York   Norton,  1991. 
 - (various pagings) :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0393960366 
<br/><br/><label>LC Class. No.: </label>HB172  / .M29 1990