Taxon - Odkazy a literatura
poddruh
Ketupa ketupu ketupu (Horsfield, 1821)
Gill F., Donsker D. & Rasmussen P. (eds): IOC World Bird List 11.1 [http://www.worldbirdnames.org/] [jako Ketupa ketupu ketupu (Horsfield, 1821)]Datum citace: 22. duben 2021
Australian Faunal Directory [3d27595b-8987-41a3-9879-923297426905]
ABRS (2009-2019): Australian Faunal Directory [https://biodiversity.org.au/afd/home], Australian Biological Resources Study, Canberra [jako Bubo ketupu ketupu (Horsfield, 1821)]
Datum citace: 7. únor 2015
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7, Cornell Lab of Ornithology [jako Ketupa ketupu ketupu]Datum citace: 7. duben 2013
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7, Cornell Lab of Ornithology [jako Ketupa ketupu aagaardi]Datum citace: 9. duben 2013
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7, Cornell Lab of Ornithology [jako Ketupa ketupu pageli]Datum citace: 9. duben 2013