Kotler, Philip. Principles of marketing / Philip Kotler, Gary Armstrong. - 12th ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, c2008. - xxxii, 557, [98] p. : col. ill. ; 28 cm. Includes bibliographical references (p. R-1 - R-30) and indexes. ISBN: 9780136132370 Subjects--Topical Terms: Marketing.