Kotler, Philip. Principles of marketing / Philip Kotler, Gary Armstrong. - 14th ed. - Boston : Pearson Prentice Hall, 2012. - xxiv, 613, [97] p. : col. ill. ; ISBN: 9780132167123 0132167123 Subjects--Topical Terms: Marketing. LC Class. No.: HF5415.K636 2013 / .K636 2013 Dewey Class. No.: 658.8