Gaya APA
Riordan, R.
(2014).
The Heroes of Olympus, Buku Tiga : The Mark of Athena
.
Jakarta Selatan:
Mizan Fantasi.
Gaya MLA
Riordan, Rick.
"The Heroes of Olympus, Buku Tiga : The Mark of Athena".
Jakarta Selatan:
Mizan Fantasi,
2014.
Text.