Gaya APA
Purwanta, W., Rahardja, P. (2023).
Super Master OSN Olimpiade Sains Nasional Ekonomi SMA (Cet. 1).
Bandung:
Yrama Widya.
Gaya MLA
Purwanta, Wiji., Rahardja, Prathama.
"Super Master OSN Olimpiade Sains Nasional Ekonomi SMA".
Cet. 1
Bandung:
Yrama Widya,
2023.
Text.