APA Style
Cho, Y. et al (2020).
Why? Science: Dangerous Substance - Material Berbahaya .
Jakarta:
Elex Media Komputindo.
MLA Style
Cho, Youngsun. et al.
"Why? Science: Dangerous Substance - Material Berbahaya".
Jakarta:
Elex Media Komputindo,
2020.
Printed Book.