Não informado. (1979). Canadian Bulletin of Fisheries and Aquatic Sciences. Department of Fisheries and Oceans.
Citação do estilo Chicago (17ª ed.)Não informado. Canadian Bulletin of Fisheries and Aquatic Sciences. Ottawa: Department of Fisheries and Oceans, 1979.
Citação MLA (8ª ed.)Não informado. Canadian Bulletin of Fisheries and Aquatic Sciences. Department of Fisheries and Oceans, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.