Arnold, Roger A. <br/><br/>
Principles of economics / 
Roger A. Arnold 
 - 10th ed. 
 - Australia :  South-Western, Cengage Learning,  c2011. 
 - xxxii, 856 p. :  col. ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780538470735 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>LC Class. No.: </label>HB171.5