Gaya APA
Whitten,AnthonyJ., . et al
(1987).
The Ecology of Sulawesi
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Whitten,AnthonyJ., . et al.
"The Ecology of Sulawesi".
Yogyakarta:
Gadjah Mada University Press,
1987.
Referencece.