Citazione APA

Kotler, P., & Armstrong, G. (1997). Principles of marketing (7th ed.). Prentice Hall of India.

Stile di citazione Chicago

Kotler, Philip, e Gary Armstrong. Principles of Marketing. 7th ed. New Delhi: Prentice Hall of India, 1997.

Citazione MLA

Kotler, Philip, e Gary Armstrong. Principles of Marketing. 7th ed. Prentice Hall of India, 1997.