Kotler, P. (1989). Marketing Management/6e (6th ed.). Prentice Hall of India pvt. ltd.
Chicago Edition CitationKotler, P. Marketing Management/6e. 6th ed. New Delhi: Prentice Hall of India pvt. ltd, 1989.
MLA Edition CitationKotler, P. Marketing Management/6e. 6th ed. Prentice Hall of India pvt. ltd, 1989.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.