Gaya APA
Keyes, Daniel. (2007).
24 wajah billy .
Bandung:
Qanita.
Gaya Chicago
Keyes, Daniel.
24 wajah billy.
Bandung:
Qanita,
2007.
Text.
Gaya MLA
Keyes, Daniel.
24 wajah billy.
Bandung:
Qanita,
2007.
Text.
Gaya Turabian
Keyes, Daniel.
24 wajah billy.
Bandung:
Qanita,
2007.
Print.