Kotler, Philip, Principles of marketing Philip Kotler. - 2nd ed. - Englewood Cliffs, N.J. Prentice-Hall c1980. - xxiv, 676 p. ill. - Prentice Hall series in marketing . Accompanied by Study Guide. Includes bibliographical references and index. ISBN: 0137016239 LCCN: Subjects--Topical Terms: Marketing