Principles of economics/ 
Roger A. Arnold 
 - Eleventh edition 
 - Singapore:  Cengage Learning,  2016. 
 - xxiv, 876 pages:  illustrations;  25 cm. 
<br/><br/> Includes glossary and index. 
<br/><br/><label>ISBN: </label>9789814687072 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>LC Class. No.: </label>Circ HB 171.5 .Ar752 2016