Gaya APA
Opera Van Gontor. (2010).
Jakarta:
Gramedia Pustaka Utama.
Gaya Chicago
Opera Van Gontor.
.
Jakarta:
Gramedia Pustaka Utama,
2010.
Printed Book.
Gaya MLA
Opera Van Gontor.
.
Jakarta:
Gramedia Pustaka Utama,
2010.
Printed Book.
Gaya Turabian
Opera Van Gontor.
Jakarta:
Gramedia Pustaka Utama,
2010.
Printed Book.