Kotler, P. (2003). Marketing management (11th ed.). Prentice Hall.
Chicago Style (17th ed.) ZitazioaKotler, Philip. Marketing Management. 11th ed. Upper Saddle River, N.J.: Prentice Hall, 2003.
MLA (9th ed.) ZitazioaKotler, Philip. Marketing Management. 11th ed. Prentice Hall, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.