Mankiw, N. Gregory. <br/><br/>
Principles of economics  

 - 5th ed. 
 - Mason, OH   South-Western Cengage Learning,  2009 
<br/><br/><label>ISBN: </label>9780324589979;0324589972 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>Dewey Class. No.: </label>330