APA-čujuhus (7. p.)

Ryan,Damian. (2017). Understanding digital marketing (4.). Kogen page Ltd.

Chicago-čujuhus (17. p.)

Ryan,Damian. Understanding Digital Marketing. 4. London: Kogen page Ltd, 2017.

MLA-čujuhus (9. p.)

Ryan,Damian. Understanding Digital Marketing. 4. Kogen page Ltd, 2017.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.