APA (7th ed.) Zitazioa

Kotler, P. (1980). Principles of marketing. Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Kotler, Philip. Principles of Marketing. Englewood Cliffs: Prentice-Hall, 1980.

MLA (9th ed.) Zitazioa

Kotler, Philip. Principles of Marketing. Prentice-Hall, 1980.