APA Style
Hong, T., Powell, G. (2021).
Student Book 2 New Frontiers A1+ Elementary .
Jakarta:
PT. ASTA ILMU SUKSES.
MLA Style
Hong, Thomas., Powell, Gareth.
"Student Book 2 New Frontiers A1+ Elementary".
Jakarta:
PT. ASTA ILMU SUKSES,
2021.
Buku Pengayaan Khusus Siswa.