Taylor, B.L., Baird, R., Barlow, J., Dawson, S.M., Ford, J., Mead, J.G., Notarbartolo di Sciara, G., Wade, P. & Pitman, R.L. (2012). "Orcinus orca". IUCN Red List of Threatened Species. Version 2012.1. สืบค้นเมื่อ 20 October 2010.{{cite web}}: CS1 maint: multiple names: authors list (ลิงก์)