APA (7e ed.) Bronvermelding

Walker, O. C., & Mullins, J. W. (2017). Marketing strategy: A Decision-Focused Approach (7th ed.). McGraw Hill Education (India) Pvt. Ltd.

Chicago (17e ed.) Bronvermelding

Walker, Orville C., en John W. Mullins. Marketing Strategy: A Decision-Focused Approach. 7th ed. Chennai: McGraw Hill Education (India) Pvt. Ltd, 2017.

MLA (9e ed.) Bronvermelding

Walker, Orville C., en John W. Mullins. Marketing Strategy: A Decision-Focused Approach. 7th ed. McGraw Hill Education (India) Pvt. Ltd, 2017.