Gaya APA

Curphy, R, L, H, R, C, G, G, J., AbedRabbo, D, C, F, E, M. (). Digital Marketing (Ed. 9). UK: Pearson.

Gaya MLA

Curphy, Richard, L., Hughes,, Robert, C., Ginnett,, Gordon, J.., AbedRabbo, Dave, Chaffey,, Fiona, Ellis-Chadwick,, Majd. "Digital Marketing". Ed. 9 UK: Pearson, . Text.