Ruffin, Roy. <br/><br/>
Principles of macroeconomics / 
Roy J. Ruffin, Paul R. Gregory. 
 - 2nd ed. 
 - Glenview, Ill. :  Scott, Foresman,  c1986. 
 - xxix, 519 p. ;  26 cm. 
<br/><br/> Also issued in a combined volume with Principles of microeconomics, under title: Principles of economics.  Includes index 
<br/><br/>Includes bibliographical references  
<br/><br/><label>ISBN: </label>0673182266 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Macroeconomics.