APA (7e ed.) Bronvermelding

Walker, O. C., & Mullins, J. W. (2011). Marketing strategy: A decision-focused approach (7th ed.). McGraw-Hill/Irwin.

Chicago (17e ed.) Bronvermelding

Walker, Orville C., en John W. Mullins. Marketing Strategy: A Decision-focused Approach. 7th ed. New York: McGraw-Hill/Irwin, 2011.

MLA (9e ed.) Bronvermelding

Walker, Orville C., en John W. Mullins. Marketing Strategy: A Decision-focused Approach. 7th ed. McGraw-Hill/Irwin, 2011.