Kotler,Philip. (1984). Marketing management/5e (5th ed.). Prentice Hall.
Chicago Style aipamenaKotler,Philip. Marketing Management/5e. 5th ed. New delhi: Prentice Hall, 1984.
MLA aipamenaKotler,Philip. Marketing Management/5e. 5th ed. Prentice Hall, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.