Gaya APA
Deforestatin in Bukit Barisan Selatan National Park,Sumatra,Indonesia. (2011).
Bogor:
Pusat Penelitian Biologi-LIPI.
Gaya MLA
Deforestatin in Bukit Barisan Selatan National Park,Sumatra,Indonesia.
.
Bogor:
Pusat Penelitian Biologi-LIPI,
2011.
Artikel.