O'Sullivan, Arthur. <br/><br/>
Economics :   principles and tools /  
Arthur O'Sullivan, Steven M. Sheffrin. 
 - 4th ed., International ed. 
 - Upper Saddle River, N. J. :   [Great Britain] :  Pearson/ Prentice Hall ;  Pearson Education International,  2006. 
 - xxxii, 814 p. :   col. ill. ;  26 cm. 
<br/><br/> Previous ed.: 2003.  Includes index. 
<br/><br/><label>ISBN: </label>0131968726 (pbk.)  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>LC Class. No.: </label>HB171.5