Kotler, Philip. Principles of marketing. - Englewood Cliffs, N.J. : Prentice-Hall, c1981. - xxi, various pagings : illus. ; 24cm. Includes appendix, glossary and index. ISBN: 0137015321 LCCN: 7922895 Subjects--Topical Terms: Marketing. LC Class. No.: HF 5415.15 / K76 1981