Gaya APA
Riordan, R. (2017).
The Trials of Apollo Book Two : The Dark Prophecy (Cetakan 1).
Jakarta:
Penerbit Noura Books.
Gaya MLA
Riordan, Rick.
"The Trials of Apollo Book Two : The Dark Prophecy".
Cetakan 1
Jakarta:
Penerbit Noura Books,
2017.
Text.