Sayre, John E. <br/><br/>
Principles of microeconomics /  

 - 5th ed. 
 - Toronto :  McGraw-Hill Ryerson Limited,  c2006. 
 - xlvi, 514 pages :  Illustrations ; 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0070946418 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microeconomics - textbooks.
<br/><br/><label>LC Class. No.: </label>HB 172.5  / SAY