Gaya APA

Russon, A. et al (1996). Nest - Count Survey of Orangutans (Pongo Pygmaeus Pygmaeus) in and Around the Danau Sentarum Wetlands Reserve West Kalimantan, Indonesia Final Report May 10,1996 . : Wetlands International.

Gaya MLA

Russon, A.E.. et al. "Nest - Count Survey of Orangutans (Pongo Pygmaeus Pygmaeus) in and Around the Danau Sentarum Wetlands Reserve West Kalimantan, Indonesia Final Report May 10,1996". : Wetlands International, 1996. Text.