Gaya APA
Ariel, G., Sumarno, W. (2019).
Materi & Simulasi Olimpiade Sains Matematika SMA/MA .
JAKARTA BARAT:
PT. JAKARTA SAINS MEDIA.
Gaya MLA
Ariel, Garry., Sumarno, Willy.
"Materi & Simulasi Olimpiade Sains Matematika SMA/MA".
JAKARTA BARAT:
PT. JAKARTA SAINS MEDIA,
2019.
Text.