Gaya APA

Whitten, Anthony J.. (1987). The Ecology of Sumatra . Yogyakarta: Gadjah Mada University Press.

Gaya Chicago

Whitten, Anthony J.. The Ecology of Sumatra. Yogyakarta: Gadjah Mada University Press, 1987. Text.

Gaya MLA

Whitten, Anthony J.. The Ecology of Sumatra. Yogyakarta: Gadjah Mada University Press, 1987. Text.

Gaya Turabian

Whitten, Anthony J.. The Ecology of Sumatra. Yogyakarta: Gadjah Mada University Press, 1987. Print.