Não informado. (2001). Scientific investigations. Scottish Home Department, Department of Agriculture and Fisheries.
Citação do estilo Chicago (17ª ed.)Não informado. Scientific Investigations. Edinburgh, Inglaterra: Scottish Home Department, Department of Agriculture and Fisheries, 2001.
Citação MLA (8ª ed.)Não informado. Scientific Investigations. Scottish Home Department, Department of Agriculture and Fisheries, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.