Mansfield, Edwin. <br/><br/>
Principles of macroeconomics / 
Edwin Mansfield. 
 - 3rd. ed. 
 - New York :  Norton,  c1980. 
 - xix, 562 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0393951200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Macroeconomics.