Kotler, P., & Armstrong, G. (1997). Principles of marketing (7th ed.). Prentice Hall of India.
Chicago Edition CitationKotler, Philip, and Gary Armstrong. Principles of Marketing. 7th ed. New Delhi: Prentice Hall of India, 1997.
MLA citiranjeKotler, Philip, and Gary Armstrong. Principles of Marketing. 7th ed. Prentice Hall of India, 1997.
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