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

References

• 2002. "Field Museum" (On-line). Hystrix pumila. A Synopsis of the Mammalian Fauna of the Philippine Islands. Accessed October 23, 2006 at http://www.fieldmuseum.org/philippine_Mammals/Hystrix_pumila.htm.
• 2002. "Mak Planck Institute for Demographic Research" (On-line). “Longevity Records Life Spans of Mammals, Birds, Amphibians, Reptiles, and Fish, Table 1. Record LifeSpans(years) of Mammals. Accessed October 16, 2006 at http://www.demogr.mpg.de/longevityrecords/0203.htm.
• 2004. "Palawan Council for Sustainable Development" (On-line). Palawan Porcupine. Accessed October 22, 2006 at http://www.pcsd.ph/photo_gallery/fauna/palawanporcupine.htm.
• 2005. "Grzimek's Animal Life Encyclopedia" (On-line). Indonesian porcupine. Accessed October 11, 2006 at http://www.answers.com/topic/hystrix-pumila.
• Ronald Nowak (1999) Walker's Mammals of the World. Johns Hopkins University Press: Baltimore.
• 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
• Woods, Charles A., and C. William Kilpatrick / Wilson, Don E., and DeeAnn M. Reeder, eds. 2005. Infraorder Hystricognathi Brandt, 1855. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vol. 2. 1538-1600