Gaya APA
Alam, W, T.
(2011).
Freeport Papua, Blok Cepu, Gas Alam Arun
(
1)
.
JAKARTA:
PT. Ufuk Publishing House.
Gaya MLA
Alam, Wawan, Tunggal.
"Freeport Papua, Blok Cepu, Gas Alam Arun".
1
JAKARTA:
PT. Ufuk Publishing House,
2011.
Text.