Ryan, D. (2017). Understanding digital marketing: Marketing strategies for engaging the digital generation (4th.). Kogan Page.
Chicago-referens (17:e uppl.)Ryan, Damian. Understanding Digital Marketing: Marketing Strategies for Engaging the Digital Generation. 4th. Kogan Page, 2017.
MLA-referens (9:e uppl.)Ryan, Damian. Understanding Digital Marketing: Marketing Strategies for Engaging the Digital Generation. 4th. Kogan Page, 2017.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.