Gaya APA
Riordan, R., Indardini, R. (2010).
Percy Jackson and the olympian = the last olympian .
Jakarta:
Mizan Media Utama.
Gaya MLA
Riordan, Rick., Indardini, Reni.
"Percy Jackson and the olympian = the last olympian".
Jakarta:
Mizan Media Utama,
2010.
Text.