Kotler,Philip. (1984). Marketing management (5th ed.). Prentice Hall of India.
Dyfyniad Arddull ChicagoKotler,Philip. Marketing Management. 5th ed. New Delhi: Prentice Hall of India, 1984.
Dyfyniad MLAKotler,Philip. Marketing Management. 5th ed. Prentice Hall of India, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.