Gaya APA

Bonell, M., Hufschmidt, M, M. (1993,2005). international hydrology series Hydrology and Water Management in the Humid Tropics hydrological research issues and strategies for water management (E-book) . New York: Cambrige University Press.

Gaya MLA

Bonell, Michael., Hufschmidt, Maynard., M. "international hydrology series Hydrology and Water Management in the Humid Tropics hydrological research issues and strategies for water management (E-book)". New York: Cambrige University Press, 1993,2005. E-book.