APA (7e ed.) Bronvermelding

Ferrell, O., & Hartline, M. D. (2014). Marketing Strategy: Text and Cases (6th.). Cengage Learning.

Chicago (17e ed.) Bronvermelding

Ferrell, O.C, en Michael D. Hartline. Marketing Strategy: Text and Cases. 6th. NEw Delhi: Cengage Learning, 2014.

MLA (9e ed.) Bronvermelding

Ferrell, O.C, en Michael D. Hartline. Marketing Strategy: Text and Cases. 6th. Cengage Learning, 2014.