Ruffin, Roy and Gregory, Paul R. <br/><br/>
Principles of economics 

 - 4 
 - London  Scott, Foresman | Little, Brown  1989 
 - xxxii, 851p  Hb 
<br/><br/><label>ISBN: </label>9780673460202 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330 RUF