Gaya APA

Yeongseon, C., Novianti, E, N. (2017). Why? Computer Virus - Virus Komputer . Jakarta: Elex Media Komputindo.

Gaya MLA

Yeongseon, Cho., Novianti, Endah, Nawang. "Why? Computer Virus - Virus Komputer". Jakarta: Elex Media Komputindo, 2017. Text.