APA aipamena

Kotler, P. (1992). Principles of marketing. Prentice Hall.

Chicago Style aipamena

Kotler, Philip. Principles of Marketing. New Delhi: Prentice Hall, 1992.

MLA aipamena

Kotler, Philip. Principles of Marketing. Prentice Hall, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.