Rujukan Nomascus

  1. 1 2 Groves, Colin (16 November 2005). Wilson, D. E., dan Reeder, D. M. (ed.), penyunting. Mammal Species of the World (edisi ke-3). Percetakan Universiti Johns Hopkins. m/s. 180–181. ISBN 0-801-88221-4. Selenggaraan CS1: Pelbagai nama: senarai editor (link) Selenggaraan CS1: Extra text: senarai editor (link)
  2. 1 2 Geissmann, Thomas (December 1995). "Gibbon systematics and species identification" (PDF). International Zoo News. 42: 467–501. Dicapai 2008-08-15. 
  3. ↑ Thomas Geissmann. "Status reassessment of the gibbons: Results of the Asian Primate Red List Workshop 2006". Gibbon Journal Nr. 3 – April 2007=. 
  4. ↑ Van Ngoc Thinh, Alan R. Mootnick, Vu Ngoc Thanh, Tilo Nadler, Christian Roos. "A new species of crested gibbon, from the central Annamite mountain range". Vietnamese Journal of Primatology 2010; 1(4): 1-12. Selenggaraan CS1: Pelbagai nama: senarai pengarang (link)