Kotler, Philip. Principles of marketing / Philip Kotler, Gary Armstrong - 13th ed. - Upper Saddle River, N.J. : Prentice Hall, 2010 - xxiii, 613, [105] p. : ill. (chiefly col.) ; 29 cm. Original: E-C7/00157 (4.672.718 đ); Copy: E-C7/00158; E-C7/00820-821 ISBN: 0136079415 9780136079415 Subjects--Topical Terms: Marketing. Subjects--Index Terms: Nguyên lý marketing Tiếp thị Dewey Class. No.: 658.8