Gaya APA
Purwanta, W., Rahardja, P.
(2023).
SUPER MASTER OSN EKONOMI SMA
.
Bandung:
Yrama Widya.
Gaya MLA
Purwanta, Wiji., Rahardja, Prathama.
"SUPER MASTER OSN EKONOMI SMA".
Bandung:
Yrama Widya,
2023.
Text.