Gaya APA

McNaughtton, S., Srigandono, S., P., B. (1998). Ekologi umum (2). Yogyakarta: Gadjah Mada University Press.

Gaya MLA

McNaughtton, S., Srigandono, S., P., B.. Ekologi umum. 2 Yogyakarta: Gadjah Mada University Press, 1998. Text.