Gaya APA

Cho, Y., Novianti, E, N. (2017). Why? SNS (Social Network Service) . Jakarta: PT Elex Media Komputindo.

Gaya MLA

Cho, Yeongseon., Novianti, Endah, Nawang. "Why? SNS (Social Network Service)". Jakarta: PT Elex Media Komputindo, 2017. Text.