Não informado. Report of the United States Bureau of Commercial Fisheries. U.S. Fish and Wildlife Service.
Chicago-referens (17:e uppl.)Não informado. Report of the United States Bureau of Commercial Fisheries. Washington: U.S. Fish and Wildlife Service.
MLA-referens (8:e uppl.)Não informado. Report of the United States Bureau of Commercial Fisheries. U.S. Fish and Wildlife Service.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.