Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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