Gaya APA
Riordan, R.
(2019).
The Heroes of Olympus #4 : The House of Hades
.
Bandung:
Noura Books.
Gaya MLA
Riordan, Rick.
"The Heroes of Olympus #4 : The House of Hades".
Bandung:
Noura Books,
2019.
Text.