Chaffey, D. (2017). Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing (5th ed.). Taylor and Francis.
Chicago-Zitierstil (17. Ausg.)Chaffey, Dave. Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing. 5th ed. Florence: Taylor and Francis, 2017.
MLA-Zitierstil (9. Ausg.)Chaffey, Dave. Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing. 5th ed. Taylor and Francis, 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.