Não informado. (1952). Marine Research. Scottish Home Department, Department of Agriculture and Fisheries.
Citação do estilo Chicago (17ª ed.)Não informado. Marine Research. Edinburgh, Inglaterra: Scottish Home Department, Department of Agriculture and Fisheries, 1952.
Citação MLA (8ª ed.)Não informado. Marine Research. Scottish Home Department, Department of Agriculture and Fisheries, 1952.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.