Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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