APA Citatie

Kotler,Philip, & Armstrong, G. (2008). Principles of marketing (12nd ed.). Pearson Education.

Chicago Style citaat

Kotler,Philip, en Gray Armstrong. Principles of Marketing. 12nd ed. New Delhi: Pearson Education, 2008.

MLA citatie

Kotler,Philip, en Gray Armstrong. Principles of Marketing. 12nd ed. Pearson Education, 2008.

Let op: Deze citaties zijn niet altijd 100% accuraat.