Gaya APA

Cho, Y., Lee, Y. (2019). Why?: Virtual Reality & Augmented Reality-Realitas Virtual & Realitas Tambahan . Jakarta: PT Elex Media Komputindo.

Gaya MLA

Cho, Youngsun., Lee, Youngho. "Why?: Virtual Reality & Augmented Reality-Realitas Virtual & Realitas Tambahan". Jakarta: PT Elex Media Komputindo, 2019. Text.