Kotler, Philip. Principles of marketing / Philip Kotler and Gary Armstrong . - 11th ed. - Upper Saddle River, NJ : Pearson Prentice Hall, c2005. - xx, 651, [94] p.: col.ill.; 29 cm. ISBN: 0131968793 Subjects--Topical Terms: Marketing. Dewey Class. No.: 658.8 / KOT 2006