Melvin, Michael. <br/><br/>
Principles of economics. 

 - 8th  ed. 
 - South-Western :  Cengage Learning,  2011. 
 - xxxix, 804, [28]  p. :  col. ill. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9780538797801  $50-00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.<br/>Economics.