Ekelund, Robert B. A history of economic theory and method / Robert B. Ekelund, Jr., Robert F. Hebert. - 4th ed. - Singapore: McGraw-Hill, 1997. - xvii, 602 p. : ill. ; 24 cm. Includes index (583 - 602 p.) ISBN: 0071142827 Subjects--Topical Terms: Economics--History LC Class. No.: HB75 Dewey Class. No.: 330/.09