Oligoryzomys fulvescens. In: Don E. Wilson, DeeAnn M. Reeder (Hrsg.): Mammal Species of the World. A taxonomic and geographic Reference. 2 Bände. 3. Auflage. Johns Hopkins University Press, Baltimore MD 2005, ISBN 0-8018-8221-4.
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books.google.se
Fiona Reid: A Field Guide to the Mammals of Central America. OUP, 2009, S.214–2157 (Northern Pygmy Rice Rat).