Ruffin, Roy <br/><br/>
Principles of economics 
Roy J. Ruffin, Paul R. Gregory. 
 - 3rd ed. 
 - Glenview, Ill.  Scott, Foresman  c1988. 
 - xxxi, 918, [42] p.  ill. (some col.)  27 cm.. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>067318871X  30.00 0673188833 (Marco volume)  18.00 0673188825 (Micro volume)  18.00 
<br/><br/><label>LCCN: </label>87023369  
<br/><br/><label>Nat. Bib. No.: </label>GB88-17735 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Subjects--Index Terms: </label>Economics 
<br/><br/><label>LC Class. No.: </label>HB171.5  / .R82 1988 
<br/><br/><label>Dewey Class. No.: </label>330 
<br/><br/><label>Universal Decimal Class. No.: </label>33