Samuelson, Paul A.. Economics / Paul A. Samuelson and William D. Nordhaus. - 18th ed / . - New Delhi : Tata McGraw-Hill Publishing , 2006. - xxxvii,781p. : ill.,fig.,table ; 24cm . Includes bibliography and index ISBN: 007059855X USD89.95 Subjects--Index Terms: ECONOMICS Dewey Class. No.: 330 / SAM/E