(pengarang), Y. S. (2021). When what why who where & how alam semesta / Yusup Somadinata. Elex Media Komputindo.
Chicago Style (17th ed.) Citation(pengarang), Yusup Somadinata. When What Why Who Where & How Alam Semesta / Yusup Somadinata. Elex Media Komputindo, 2021.
MLA (8th ed.) Citation(pengarang), Yusup Somadinata. When What Why Who Where & How Alam Semesta / Yusup Somadinata. Elex Media Komputindo, 2021.
Warning: These citations may not always be 100% accurate.