Taxon - Odkazy a literatura
Wilson D. E., Reeder D. M. (editors) (2005): Mammal Species of the World (MSW). A Taxonomic and Geographic Reference (3rd ed) [http://www.bucknell.edu/msw3] [jako Sciurus alleni Nelson, 1898]Datum citace: 5. prosinec 2008
IUCN Red List of Threatened Species 2024-1 [20004]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [jako Sciurus alleni Nelson, 1898]
Datum citace: 29. leden 2024
ASM Mammal Diversity Database 2.1 [1001676]
ASM Mammal Diversity Database [https://www.mammaldiversity.org/], American Society of Mammalogists [jako Sciurus (Parasciurus) alleni E. W. Nelson, 1898]
Datum citace: 29. květen 2025
Paleobiology Database [51476]
Paleobiology Database [https://paleobiodb.org/] [jako Sciurus alleni Nelson, 1898]
Datum citace: 13. prosinec 2015