APA (7e ed.) Bronvermelding
Kotler, P., & Amstrong, G. (2013). Principles of marketing (14th ed.). Pearson educational limited.
Chicago (17e ed.) Bronvermelding
Kotler, Philip, en Gary Amstrong. Principles of Marketing. 14th ed. England: Pearson educational limited, 2013.
MLA (9e ed.) Bronvermelding
Kotler, Philip, en Gary Amstrong. Principles of Marketing. 14th ed. Pearson educational limited, 2013.
Let op: Deze citaties zijn niet altijd 100% accuraat.