Ryan, D. (2021). Understanding Digital Marketing: A complete guide to engaging customers and implementing successful digital campaigns (Fifth Edition.). Kogan Page.
Chicago-Zitierstil (17. Ausg.)Ryan, Damian. Understanding Digital Marketing: A Complete Guide to Engaging Customers and Implementing Successful Digital Campaigns. Fifth Edition. London, United Kingdom: Kogan Page, 2021.
MLA-Zitierstil (9. Ausg.)Ryan, Damian. Understanding Digital Marketing: A Complete Guide to Engaging Customers and Implementing Successful Digital Campaigns. Fifth Edition. Kogan Page, 2021.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.