Samuelson, Paul Anthony, 1905- Economics / Paul A. Samuelson, William D. Nordhaus. - 13th ed. - New York : McGraw-Hill, c1989. - xl, 1013 p. : ill. (some col.) ; 25 cm. Includes index. ISBN: 0070547866 : $39.95 LCCN: 88028134 Subjects--Topical Terms: Economics LC Class. No.: HB171.5 Dewey Class. No.: 330