Kotler, P., & Armstrong, G. (1997). Principles of Marketing. Prentice-Hall of India.
Cita Chicago (17th ed.)Kotler, Philip, i Gary Armstrong. Principles of Marketing. New Delhi: Prentice-Hall of India, 1997.
Cita MLA (9th ed.)Kotler, Philip, i Gary Armstrong. Principles of Marketing. Prentice-Hall of India, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.