Gaya APA
FRANKEN, N., ROOS, M. (1981).
Studies in lowland equatorial forest in Jambi Province, Sentral Sumatera .
[s.l.]:
BIOTROP.
Gaya MLA
FRANKEN, N.A.P.., ROOS, M.C..
"Studies in lowland equatorial forest in Jambi Province, Sentral Sumatera".
[s.l.]:
BIOTROP,
1981.
Buku.