Kotler, P., & Armstrong, G. (1997). Principles of Marketing. Prentice-Hall of India.
Tohutoru Kātū Chicago (17th ed.)Kotler, Philip, me Gary Armstrong. Principles of Marketing. New Delhi: Prentice-Hall of India, 1997.
Tohutoro MLA (9th ed.)Kotler, Philip, me Gary Armstrong. Principles of Marketing. Prentice-Hall of India, 1997.
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