Ragan, James F. <br/><br/>
Principles of microeconomics / 
James F. Ragan, Lloyd B. Thomas. 
 - San Diego, Calif. :  Harcourt Brace Jovanovich,  c1990. 
 - xxiii, 590 [15] p. :  ill. (some col.) ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>015571600X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microeconomics.