Microeconomics :  private and public choice / 
James D. Gwartney.  
 - New York :  Academic Press,  c1977. 
 - xvii, 389p. :  ill. (some col.) ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references : p.373-377 
<br/><br/><label>ISBN: </label>0123110653 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microeconomics.