Gaya APA
WHITTEN, A, J.
(1987).
The ecology of Sulawesi
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
WHITTEN, Anthony, J..
"The ecology of Sulawesi".
Yogyakarta:
Gadjah Mada University Press,
1987.
Buku.