Kotler,Philip, & Armstrong,Gary. (1996). Principles of marketing (7th ed.). Prentice Hall.
Chicago Style aipamenaKotler,Philip, and Armstrong,Gary. Principles of Marketing. 7th ed. New Delhi: Prentice Hall, 1996.
MLA aipamenaKotler,Philip, and Armstrong,Gary. Principles of Marketing. 7th ed. Prentice Hall, 1996.
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