Arnold, Roger A. <br/><br/>
Principles of economics / 
Roger A. Arnold. 
 - Tenth edition. 
 - Pasig City :  Cengage Learning,  2012. 
 - 796 pages :  Illustrations ;  26 cm. 
<br/><br/><label>ISBN: </label>9789814410298 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.