Kotler, P. (1986). Marketing management: Analysis, planning, and control (5th ed.). Prentice-Hall of India Pvt. Ltd.
Dyfyniad Arddull ChicagoKotler, Philip. Marketing Management: Analysis, Planning, and Control. 5th ed. New Delhi: Prentice-Hall of India Pvt. Ltd, 1986.
Dyfyniad MLAKotler, Philip. Marketing Management: Analysis, Planning, and Control. 5th ed. Prentice-Hall of India Pvt. Ltd, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.