APA Style

Cho, Youngsun. (2020). Why? Science Dangerous Substance = Material Berbahaya . Jakarta: Elex Media Komputindo.

Chicago Style

Cho, Youngsun. Why? Science Dangerous Substance = Material Berbahaya. Jakarta: Elex Media Komputindo, 2020. Text.

MLA Style

Cho, Youngsun. Why? Science Dangerous Substance = Material Berbahaya. Jakarta: Elex Media Komputindo, 2020. Text.

Turabian Style

Cho, Youngsun. Why? Science Dangerous Substance = Material Berbahaya. Jakarta: Elex Media Komputindo, 2020. Print.