Gaya APA
Cho, Y.
(2020).
Why? Dangerous Substance : Material Berbahaya
(
1)
.
jakarta:
PT Elex Media Komputindo.
Gaya MLA
Cho, Youngsun.
"Why? Dangerous Substance : Material Berbahaya".
1
jakarta:
PT Elex Media Komputindo,
2020.
Text.