Gaya APA
cho, Y.
(2019).
WHY ? Theory of relativity : Teori relatifitas
(
Cet.1)
.
Jakarta:
PT. Elex Media Komputindo.
Gaya MLA
cho, Youngsun.
"WHY ? Theory of relativity : Teori relatifitas".
Cet.1
Jakarta:
PT. Elex Media Komputindo,
2019.
Text.