Kotler,Philip, & Armstrong,Gary. (1996). Principles of marketing (7th ed.). Prentice Hall.
Chicago Style citaatKotler,Philip, en Armstrong,Gary. Principles of Marketing. 7th ed. New Delhi: Prentice Hall, 1996.
MLA citatieKotler,Philip, en Armstrong,Gary. Principles of Marketing. 7th ed. Prentice Hall, 1996.
Let op: Deze citaties zijn niet altijd 100% accuraat.