Ryan, D. (2017). Understanding digital marketing: Marketing strategies for engaging the digital generation (4th.). Kogan Page.
Chicago-čujuhus (17. p.)Ryan, Damian. Understanding Digital Marketing: Marketing Strategies for Engaging the Digital Generation. 4th. Kogan Page, 2017.
MLA-čujuhus (9. p.)Ryan, Damian. Understanding Digital Marketing: Marketing Strategies for Engaging the Digital Generation. 4th. Kogan Page, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.