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 Procolobus verus Van Beneden, 1838]Datum citace: 5. prosinec 2008
IUCN Red List of Threatened Species 2024-1 [18245]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [jako Procolobus verus (Van Beneden, 1838)]
Datum citace: 29. leden 2024
ASM Mammal Diversity Database 2.1 [1000658]
ASM Mammal Diversity Database [https://www.mammaldiversity.org/], American Society of Mammalogists [jako Procolobus verus (P. J. Van Beneden, 1838)]
Datum citace: 29. květen 2025
Paleobiology Database [234342]
Paleobiology Database [https://paleobiodb.org/] [jako Procolobus verus (van Beneden, 1838)]
Datum citace: 13. prosinec 2015
Anděra M. (1999): České názvy živočichů II. Savci (Mammalia), Národní muzeum, (zoologické odd.), Praha, 147 pp. [jako Procolobus verus (Van Beneden, 1838)]