APA (7e ed.) Bronvermelding

Kotler, P. (1994). Learning guide ; Principles of marketing (6th ed.). Prentice Hall.

Chicago (17e ed.) Bronvermelding

Kotler, Philip. Learning Guide ; Principles of Marketing. 6th ed. New Jersey, New York: Prentice Hall, 1994.

MLA (9e ed.) Bronvermelding

Kotler, Philip. Learning Guide ; Principles of Marketing. 6th ed. Prentice Hall, 1994.