↑ 1.0 1.1
"Cephalorhynchus eutropia " . IUCN Red List of Threatened Species. Version 2012.2 . International Union for Conservation of Nature . 2008. Ginkuhà 24 Oktubre 2012 .
↑ 2.0 2.1 2.2 2.3 2.4 Mead, James G., and Robert L. Brownell, Jr. / Wilson, Don E., and DeeAnn M. Reeder, eds. (2005) Order Cetacea, Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vol. 1
↑ 3.0 3.1 3.2 3.3 3.4 3.5 Hershkovitz, Philip (1966) Catalog of Living Whales, United States National Museum Bulletin 246
↑ (1996) , database, NODC Taxonomic Code
↑ Wilson, Don E., and DeeAnn M. Reeder, eds. (1992) , Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing
↑ Rice, Dale W. (1998) Marine Mammals of the World: Systematics and Distribution, Special Publications of the Society for Marine Mammals, no. 4
↑ (1998) , website, Mammal Species of the World
↑ Wilson, Don E., and F. Russell Cole (2000) , Common Names of Mammals of the World
↑ 9.0 9.1 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