APA (7e ed.) Bronvermelding
Armstrong, G., Kotler, P., Saunders, J., & Wong, V. (2005). Principles of marketing (4th European edition.). Pearson Education.
Chicago (17e ed.) Bronvermelding
Armstrong, Gary, Philip Kotler, John Saunders, en Veronica Wong. Principles of Marketing. 4th European edition. Harlow, England: Pearson Education, 2005.
MLA (9e ed.) Bronvermelding
Armstrong, Gary, et al. Principles of Marketing. 4th European edition. Pearson Education, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.