APA-viite (7. p.)

Chaffey, D., & Ellis-Chadwick, F. (2022). Digital marketing: [strategy, implementation and practice] (Eighth Edition.). Pearson.

Chicago-viite (17. p.)

Chaffey, Dave, ja Fiona Ellis-Chadwick. Digital Marketing: [strategy, Implementation and Practice]. Eighth Edition. Harlow ; New York: Pearson, 2022.

MLA-viite (9. p.)

Chaffey, Dave, ja Fiona Ellis-Chadwick. Digital Marketing: [strategy, Implementation and Practice]. Eighth Edition. Pearson, 2022.