O'sullivan, Arthur. <br/><br/>
Economics :  principles and tools / 
Arthur O'sullivan, Steven M. Sheffrin. 
 - Upper Saddle River, New Jersey :  Prentice Hall International,  c1998. 
 - xxxii, [720] p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0137892640 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>LC Class. No.: </label>HB171.5  / .O88 1998