Não informado. (1904). Bulletin of the United States Bureau of Fisheries, Department of Commerce. U.S. Department of Commerce.
Citação do estilo Chicago (17ª ed.)Não informado. Bulletin of the United States Bureau of Fisheries, Department of Commerce. Washington: U.S. Department of Commerce, 1904.
Citação MLA (8ª ed.)Não informado. Bulletin of the United States Bureau of Fisheries, Department of Commerce. U.S. Department of Commerce, 1904.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.