Samuelson, Paul Anthony. <br/><br/>
Economics / 
Paul A. Samuelson and William D. Nordhaus. 
 - 18th ed. 
 - New Delhi :  Tata McGraw-Hill,  2005. 
 - xxiv, 776 p. :  ill. (some col.) ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>007059855X (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.