Enis, Ben M. Marketing principles : the management process / Ben M. Enis. - 2d ed. - Santa Monica, Calif. : Goodyear Pub. Co., c1977. - xxii, 621 p. : ill. ; 25 cm. Includes bibliographies and indexes. ISBN: 0876205678 LCCN: 76019703 Subjects--Topical Terms: Marketing--Management. Dewey Class. No.: 658.8 / ENI 1977