Gaya APA
Cho, Y.
(2019).
Why? teori relativitas
(
Cet. 1)
.
jakarta:
Elex Media Komputindo.
Gaya MLA
Cho, Youngsun.
"Why? teori relativitas".
Cet. 1
jakarta:
Elex Media Komputindo,
2019.
BUKU CETAK (PRINTED BOOK).