Gaya APA
CHO, Y.
(2020).
Why? Dangerous Substance: Materia Berbahaya
.
Jakarta:
PT Elex Media Komputindo.
Gaya MLA
CHO, Youngsun.
"Why? Dangerous Substance: Materia Berbahaya".
Jakarta:
PT Elex Media Komputindo,
2020.
Non Fiksi.