Froyen, Richard T., author. <br/><br/>
Principles of economics /  
Richard T. Froyen, Douglas F. Greer. 
 - New York : Macmillan ; London :   Collier Macmillan,   ©1989. 
 - xxiv, 838 pages :   colored illustrations. ;   27 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0023394307 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>DC 330  / F92