Principles of microeconomics / 
Robert H. Frank ...[et al .]. 
 - 4th Canadian ed. 
 - Canada :  McGraw Hill,  2012 
 - 448 p.: 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780070401440 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics 
<br/><br/><label>LC Class. No.: </label>HB172 .P75 2012