Taxon - Odkazy a literatura
IUCN Red List of Threatened Species 2024-1 [41024]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [jako Piliocolobus epieni (Grubb & Powell, 1999)]
Datum citace: 29. leden 2024
ASM Mammal Diversity Database 2.1 [1000643]
ASM Mammal Diversity Database [https://www.mammaldiversity.org/], American Society of Mammalogists [jako Piliocolobus epieni (Grubb & C. B. Powell, 1999)]
Datum citace: 29. květen 2025