Integrated Taxonomic Information System (ITIS): Aquila ictinaetus (TSN 175562)itis.gov. Viitattu 16.6.2013. (englanniksi)
iucnredlist.org
BirdLife International: Ictinaetus malayensisIUCN Red List of Threatened Species. Version 2013.2. 2012. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 8.5.2014. (englanniksi)