Não informado. Documents of the Bureau of Fisheries. U.S. Department of Commerce.
Chicago-referens (17:e uppl.)Não informado. Documents of the Bureau of Fisheries. Washington: U.S. Department of Commerce.
MLA-referens (8:e uppl.)Não informado. Documents of the Bureau of Fisheries. U.S. Department of Commerce.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.