Gaya APA
Purwanta, Wiji, Rahardja, Prathama. (2018).
Pena emas OSN Ekonomi SMA/MA .
Bandung:
Yrama Widya.
Gaya Chicago
Purwanta, Wiji, Rahardja, Prathama.
Pena emas OSN Ekonomi SMA/MA.
Bandung:
Yrama Widya,
2018.
Textbook/Non Fiction (2020).
Gaya MLA
Purwanta, Wiji, Rahardja, Prathama.
Pena emas OSN Ekonomi SMA/MA.
Bandung:
Yrama Widya,
2018.
Textbook/Non Fiction (2020).
Gaya Turabian
Purwanta, Wiji, Rahardja, Prathama.
Pena emas OSN Ekonomi SMA/MA.
Bandung:
Yrama Widya,
2018.
Textbook/Non Fiction (2020).