Kotler, Philip. Marketing essentials / Philip Kotler. - Englewood Cliffs, N.J. : Prentice-Hall, c1984. - xix, 556 p. : ill. ; 24 cm. Includes bibliographical references and indexes. ISBN: 0135572320 : Subjects--Topical Terms: Marketing. Dewey Class. No.: 658.8 / KOM 1984