Gaya APA
CHO, Y.
(2019).
Why? Theory of Relativity - Teori Relativitas
.
Jakarta:
PT Elex Media Komputindo.
Gaya MLA
CHO, Youngsun.
"Why? Theory of Relativity - Teori Relativitas".
Jakarta:
PT Elex Media Komputindo,
2019.
Text.