APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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