- ISSG. Global Invasive Species Database (GISD) (Accessed on 2012-7-19) http://www.issg.org/database/welcome/.
- Ohdachi et al. (eds) (2009) The Wild Mammals of Japan. Shokado, Kyoto.
- Motokawa et al. (2001) New records of the polynesian Rat Rattus exulans (Mammalia: Rodentia) from Taiwan and the Ryukyus. Zool Studies. 40, 299-304.
- Motokawa et al. (2004) Geographic variation in cranial features of the polynesian rat Rattus exulans (Peale, 1848) (Mammalia: Rodentia: Muridae). Ruffles Bul Zool. 52, 653-663.
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