APA Citatie

Chaffey, D., & Smith, P. R. (2018). Digital marketing excellence: Planning, optimizing and integrating online marketing (5.). Routledge.

Chicago Style citaat

Chaffey, Dave, en P. R. Smith. Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing. 5. London: Routledge, 2018.

MLA citatie

Chaffey, Dave, en P. R. Smith. Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing. 5. Routledge, 2018.