Armstrong, G., & Kolter, P. (2007). Marketing: An introduction (7th ed.). Pearson Education.
Chicago Style citaatArmstrong, Gary, en Philip Kolter. Marketing: An Introduction. 7th ed. New Delhi: Pearson Education, 2007.
MLA citatieArmstrong, Gary, en Philip Kolter. Marketing: An Introduction. 7th ed. Pearson Education, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.