Kotler, P. (2001). Marketing (5th ed.). Australia: Prentice Hall.
Trích dẫn kiểu ChicagoKotler, Philip. Marketing. 5th ed. Australia: Prentice Hall, 2001.
Deismireacht MLAKotler, Philip. Marketing. 5th ed. Australia: Prentice Hall, 2001.
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