Principles of macroeconomics / 
Robert H. Frank ...[et al.] . 
 - 4th Canadian ed. 
 - Canada :  Mcgraw- Hill,  2012. 
 - 470 p.:  ill.; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780070401457 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Macroeconomics
<br/><br/><label>LC Class. No.: </label>HB172.5 .P75 2012