330.1 SAMUELSON, PAUL A . ECONOMICS / / P . A . SAMUELSON & W . D . NORDHAMS. - 12TH ED. - NEW YORK: : MCGRAW HILL,, 1985. xxxiii , 950 P. : PAPER BACK 16TH ED / 1998 / xxxvii (2) 781 P. ; 14214 - 11TH ED / 1983 / 135/-. 0070579474 : $9095 * ECONOMIC THEORY. * NORDHAMS, WILLIAM D . * Title