- ↑ 1.0 1.1
BirdLife International (2012). "Accipiter griseiceps". IUCN Red List of Threatened Species. Version 2012.2. International Union for Conservation of Nature. Ginkuhà 18 Oktubre 2015.
- ↑ (1996), database, NODC Taxonomic Code
- ↑ (1998), website, Zoonomen - Zoological Nomenclature Resource
- ↑ Gill, Frank, and Minturn Wright (2006), Birds of the World: Recommended English Names
- ↑ 5.0 5.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 26 Abril 2011
