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