Citazione Stile APA (7a Edizione)

Kotler, P. (1991). Principles of marketing (5th ed.). Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Kotler, Philip. Principles of Marketing. 5th ed. New Delhi: Prentice-Hall, 1991.

Citatione MLA (9a ed.)

Kotler, Philip. Principles of Marketing. 5th ed. Prentice-Hall, 1991.