Gaya APA
RIORDAN, R.
(2017).
The Heroes of Olympus : The Mark of Athena
(
buku ketiga)
.
Bandung:
Mizan Fantasi.
Gaya MLA
RIORDAN, Rick.
"The Heroes of Olympus : The Mark of Athena".
buku ketiga
Bandung:
Mizan Fantasi,
2017.
Fiksi.