Gaya APA
BILLA, M.
(2006).
Preserved nature & the cultural wisdom of Dayak Kenyah
.
Jakarta:
Pustaka Sinar Harapan.
Gaya MLA
BILLA, Marthen.
"Preserved nature & the cultural wisdom of Dayak Kenyah".
Jakarta:
Pustaka Sinar Harapan,
2006.
Text.