Gaya APA
Sembiring, S., Sukino, .
(2020).
Super Master OSN Matematika SMA
.
Bandung:
Yrama Widya.
Gaya MLA
Sembiring, Suwah., Sukino, .
"Super Master OSN Matematika SMA".
Bandung:
Yrama Widya,
2020.
Text.