Leftwich, Richard H. An introduction to economic thinking / by Richard H. Leftwich. - New York : Holt, Rinehart and Winston, 1969. - xii, 686 p. : ill. (part col.) ; 24 cm. Includes bibliographical references and index. ISBN: 0030694957 LCCN: 69-011231 Subjects--Topical Terms: Economics.-------- Dewey Class. No.: 330.1