Ruffin, Roy J. & Gregory Paul R. <br/><br/>
Principles of Macroeconomics 
By Roy J. Ruffin & Paul R. Gregory 
 - London  Scott, Foresman and Company  1986 
 - xxix, 519 pages, 25 cm. 
<br/><br/> includes glossary and index 
<br/><br/><label>ISBN: </label>0-673-18226-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Macroeconomics
<br/><br/><label>Dewey Class. No.: </label>339 R83