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 Colobus angolensis cottoni Lydekker, 1905]Datum citace: 5. prosinec 2008
IUCN Red List of Threatened Species 2024-1 [136923]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [jako Colobus angolensis cottoni Lydekker, 1905]
Datum citace: 29. leden 2024