Gaya APA
Riordan, R. (2011).
Percy Jackson The Olympians : The Battle of The Labyrinth (7).
Jakarta Selatan:
PT Mizan Pustaka.
Gaya MLA
Riordan, Rick.
"Percy Jackson The Olympians : The Battle of The Labyrinth".
7
Jakarta Selatan:
PT Mizan Pustaka,
2011.
Text.