Kotler, P., & Armstrong, G. (2001). Principles of Marketing (13th ed.). Prentice Hall.
Chicago Style (17th ed.) CitationKotler, Philip, and Gary Armstrong. Principles of Marketing. 13th ed. Upper Saddle River, New Jersey: Prentice Hall, 2001.
MLA citiranjeKotler, Philip, and Gary Armstrong. Principles of Marketing. 13th ed. Prentice Hall, 2001.
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