Bibliography [top]

Groves, C. P. 1999. The taxonomy of orang-utans. Direktoraat Jenderal Perlindungen dan Koservasi Alam, World Wildlife Fund, Indonesia, and Center for Environmental Research and Conservation (CERC), Columbia University, Jakarta, Indonesia, New York, USA.

Citation: Singleton, I., Wich, S.A. & Griffiths, M. 2008. Pongo abelii. The IUCN Red List of Threatened Species 2008: e.T39780A10266609. . Downloaded on 13 October 2015.
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