Arnold, Roger A. <br/><br/>
Principles of economics / 
Roger A. Arnold 
 - Tenth edition 
 - Andover, Mass. :  Cengage Learning Asia Pte Ltd,  c2012 
 - 796 pages :  illustrations ;  27 cm 
<br/><br/> "This edition is licensed for sale only in the Philippines. Circulation of this edition outside of the Philippines is unauthorized and strictly prohibited"--Cover. 
<br/><br/><label>ISBN: </label>9789814410298 
<br/><br/><label>LC Class. No.: </label>HB 171.5 .A76 2012