Samuelson Paul  A 
Economics. 9th Ed. 
 - Ed. 9th 
 - New York  McGraw Hill Education (India)Private Limited  2013 
 - 916p 
Samuelson Paul  A & Nordhaus William D: Economics. 9th Ed..  (Ed. 9th)  New York.  McGraw Hill Education (India)Private Limited, 2013.--(330SAM)   
ENGLISH 
330  / SAM