Kotler, Philip. Principles of marketing / Philip Kotler, Gary Armstrong. - 12th ed. - Upper Saddle River, N.J. : Pearson/Prentice Hall, 2008. - xxxiv, 557, [98] p. : col. ill. ; 28 cm. 'Pearson international edition'--Cover. Includes bibliographical references and index. ISBN: 9780136132370 (pbk.) Hadiah 0136132375 (pbk.) Subjects--Topical Terms: Marketing.