APA aipamena

Kotler, P. (1988). Principles of marketing. New Delhi: Prentice-Hall.

Chicago Style aipamena

Kotler, Philip. Principles of Marketing. New Delhi: Prentice-Hall, 1988.

MLA aipamena

Kotler, Philip. Principles of Marketing. New Delhi: Prentice-Hall, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.