Kotler, Philip. Principles of marketing / Philip Kotler and Gary Armstrong. - 9th ed. - Upper Saddle River, N.J. : Prentice Hall, c2001. - xxxi, 785, [53] p. : col. ill. ; 28 cm. + 1 computer optical disc (4 3/4 in.) Includes bibliographical references and indexes. ISBN: 0130263125 LCCN: 00027875 Subjects--Topical Terms: Marketing.Marketing--Management Dewey Class. No.: 658.8/ K874p