Gaya APA

Hamilton, L, S. et al (1988). Daerah aliran sungai hutan tropika = tropical forested watersheds . Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Hamilton, Lawrence, S.. et al. "Daerah aliran sungai hutan tropika = tropical forested watersheds". Yogyakarta: Gadjah Mada University Press, 1988. Text.