Gaya APA
Ludlum, R.
(2007).
The bourne ultimatum: ultimatum bourne
.
PT Gramedia, 2007:
gramedia pustaka utama.
Gaya MLA
Ludlum, Robert.
"The bourne ultimatum: ultimatum bourne".
PT Gramedia, 2007:
gramedia pustaka utama,
2007.
.