Taxon - Odkazy a literatura
poddruh
Pongo pygmaeus wurmbii (Tiedemann, 1808)
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 Pongo pygmaeus wurmbii Tiedemann, 1808]Datum citace: 5. prosinec 2008
IUCN Red List of Threatened Species 2024-1 [39782]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [jako Pongo pygmaeus wurmbii (Tiedemann, 1808)]
Datum citace: 29. leden 2024