Taxon - Odkazy a literatura
IUCN Red List of Threatened Species 2024-1 [39816]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [jako Presbytis siberu (Chasen & Kloss, 1928)]
Datum citace: 29. leden 2024
ASM Mammal Diversity Database 2.1 [1000676]
ASM Mammal Diversity Database [https://www.mammaldiversity.org/], American Society of Mammalogists [jako Presbytis siberu (Chasen & Kloss, 1928)]
Datum citace: 29. květen 2025