Barro ,Robert J. <br/><br/>
Macroeconomics:  a modern approach/ 
Robert J. Barro. 
 - International Student Edition. 
 - Canada:  Thomson Higher Education,  2008. 
 - xix,492 Pages.  coloured Illustration. 
<br/><br/> Includes bibliographic references and index. 
<br/><br/><label>ISBN: </label>9780324545678 0324545673 
<br/><br/><label>LC Class. No.: </label>HB 172.5  / .B36 2008