APA (7e ed.) Bronvermelding

Ferrell, O. C., & Fraedrich, J. F. (2023). Marketing Strategy (8th.). Cengage Learning India Pvt. Ltd.

Chicago (17e ed.) Bronvermelding

Ferrell, O C., en John; Ferrell Fraedrich. Marketing Strategy. 8th. Delhi: Cengage Learning India Pvt. Ltd, 2023.

MLA (9e ed.) Bronvermelding

Ferrell, O C., en John; Ferrell Fraedrich. Marketing Strategy. 8th. Cengage Learning India Pvt. Ltd, 2023.