Mankiw, N. Gregory <br/><br/>
Principles of economics / 
N. Gregory Mankiw 
 - Seventh Edition. 
 - South Western :  Cengage Learning,  2015. 
 - xxxii, 847 pages. :  ill. ;  25 cm. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>9781305020351 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>LC Class. No.: </label>HB171