Nowak, Ronald M. (1999): Walker's Mammals of the World, 6. utgave. Johns Hopkins University Press, 1936 sider. ISBN 0-8018-5789-9 Eisenberg, J.F. (1989): Mammals of the Neotropics, Bind 1: The Northern Neotropics: Panama, Colombia, Venezuela, Guyana, Suriname, French Guiana. The University of Chicago Press. Redford, K.H. & Eisenberg, J.F. (1992): Mammals of the Neotropics, Bind 2: The Southern Cone: Chile, Argentina, Uruguay, Paraguay. University of Chicago Press. Eisenberg, J.F. & Redford, K.H. (1999): Mammals of the Neotropics, Bind 3: The Central Neotropics: Ecuador, Peru, Bolivia, Brazil. University of Chicago Press. Thorington, R. W. & R. S. Hoffmann. (2005): Family Sciuridae. Side 754-818 i . Johns Hopkins University Press, Baltimore.