Kotler, P. (2005). Principles of marketing/6e (6th ed.). Prentice Hall.
Chicago Style aipamenaKotler, Philip. Principles of Marketing/6e. 6th ed. Delhi: Prentice Hall, 2005.
MLA aipamenaKotler, Philip. Principles of Marketing/6e. 6th ed. Prentice Hall, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.