Samuelson, Paul Anthony. <br/><br/>
Economics / 
Paul A. Samuelson and William D. Nordhaus. 
 - 13th ed. 
 - New York :  McGraw-Hill,  1989. 
 - xl, 1013 p. :  ill. (some col.) ;  25 cm. 
 - Economics series. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0070547866 (hbk. ) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.