↑ 1.0 1.1
"Sypheotides indicus " . IUCN Red List of Threatened Species. Version 2012.2 . International Union for Conservation of Nature . 2012. Ginkuhà 24 Oktubre 2012 .
↑ (1998) , website, Zoonomen - Zoological Nomenclature Resource
↑ 3.0 3.1 Collar, N. J. / del Hoyo, Josep, Andrew Elliott, and Jordi Sargatal, eds. (1996) Family Otididae (Bustards), Handbook of the Birds of the World, vol. 3: Hoatzin to Auks
↑ (1996) , database, NODC Taxonomic Code
↑ Peters, James L. (1934) , Check-list of Birds of the World, vol. 2
↑ David, Normand, and Michel Gosselin (2002) The grammatical gender of avian genera, Bulletin of the British Ornithologists' Club, vol. 122, no. 4
↑ (2006) , website, Zoonomen - Zoological Nomenclature Resource, 2006.07.04
↑ 8.0 8.1 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
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