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