Sayre John E. <br/><br/>
Principles of macroeconomics / 
John Sayre E. , Alan J. Moriris. 
 - 5th ed. 
 - Toronto  McGraw-Hill Ryerson  c2006. 
 - xxv. 498p . :  ill. col. ;  26 cm. 
 - includes indexes .
<br/><br/><label>ISBN: </label>007094640 
<br/><br/><label>Dewey Class. No.: </label>339  / SAY