O'Sullivan, Arthur. <br/><br/>
Macroeconomics :  principles and tools / 
Arthur O'Sullivan, Steven M. Sheffrin 
 - 4th ed 
 - Upper Saddle River, NJ :  Pearson Prentice Hall,  c2006. 
 - xxxii, 473 p. :  col. ill. ;  25 cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0131536184 
<br/><br/><label>LCCN: </label>2004-058840 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Macroeconomics.