Ryan, D. (2021). Understanding digital marketing: A complete guide to engaging customers and implementing successful digital campaigns (Fifth edition.).
Chicago-čujuhus (17. p.)Ryan, Damian. Understanding Digital Marketing: A Complete Guide to Engaging Customers and Implementing Successful Digital Campaigns. Fifth edition. :, 2021.
MLA-čujuhus (9. p.)Ryan, Damian. Understanding Digital Marketing: A Complete Guide to Engaging Customers and Implementing Successful Digital Campaigns. Fifth edition. 2021.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.