Cita APA (7th ed.)

Ryan, D. (2014). The best digital marketing campaigns in the world II ([Second edition].). Kogan Page.

Cita Chicago (17th ed.)

Ryan, Damian. The Best Digital Marketing Campaigns in the World II. [Second edition]. London: Kogan Page, 2014.

Cita MLA (9th ed.)

Ryan, Damian. The Best Digital Marketing Campaigns in the World II. [Second edition]. Kogan Page, 2014.