Gaya APA
Somadinata, Y.
(2020).
When, What, Why, Who, Where, & How: Alam Semesta
.
Jakarta:
PT Elex Media Komputindo.
Gaya MLA
Somadinata, Yusup.
"When, What, Why, Who, Where, & How: Alam Semesta".
Jakarta:
PT Elex Media Komputindo,
2020.
Text.