The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

• Andromeda Oxford Ltd. 2001. Colobus and Leaf Monkeys. Pp. 380-393 in D Macdonald, ed. The Encyclopedia of Mammals, Vol. II: Primates and Large Herbivores, 2nd Edition. 132 West 31st Street, New York NY 10001: Facts on File, Inc..
• Colijn, E., M. Muchtar. 1996. "Primates of Indonesia--Presbytis Thomasi (Collet, 1893)" (On-line). The Indonesian Nature Conservation Database. Accessed February 08, 2004 at http://www.nature-conservation.or.id/primates/presbytis_thomasi.html.
• Flannery, S. 2004. "Thomas's Leaf-monkey (Presbytis thomasi)" (On-line). The Primata. Accessed April 10, 2004 at http://members.tripod.com/uakari/presbytis_thomasi.html.
• Gurmaya, K. 1986. Ecology and Behavior of Presbytis thomasi in Northern Sumatra. Primates, 27(2): 151-172.
• Richard Weigl (2005) Longevity of Mammals in Captivity; from the Living Collections of the World. Kleine Senckenberg-Reihe 48: Stuttgart.
• Steenbeck, R., C. van Schaik. 2001. Competition and group sive in Thomas's langurs (Presbytis thomasi): the folivore paradox revisited. Behavioral Ecology and Sociobiology, 49(2-3): 100-110. Accessed March 07, 2004 at http://www.springerlink.com/media/gmuavwqywj238ypgdmwk/Contributions/X/E/T/3/XET3VU7B5K8Q97CN.pdf.
• Steenbeek, R., R. Piek, M. van Buul, J. van Hooff. 1999. Vigilance in wild Thomas's langurs (Presbytis thomasi): the importance of infanticide risk. Behavioral Ecology and Sociobiology, 45: 137-150. Accessed February 11, 2004 at http://www.springerlink.com/media/np330r1a8gdrrjcauq7p/Contributions/4/R/A/U/4RAUVQNAP5B6P0JR.pdf.
• Sterck, E. 1997. Determinants of female dispersal in Thomas Langurs. American Journal of Primatology, 42(3): 179-198.
• Sterck, E. 2002. Predator sensitive foraging in Thomas langurs. Pp. 74-91 in L Miller, ed. Eat or be eaten: Predator sensitive foraging among primates. Cambridge, UK: Cambridge University Press.
• Swindler, D. 1998. Introduction to the Primates. Seattle and London: University of Washington Press.
• Wilson, Don E., and DeeAnn M. Reeder, eds. 1993. Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. xviii + 1207
• Wilson, Don E., and F. Russell Cole. 2000. Common Names of Mammals of the World. xiv + 204