Não informado. (2001). Scientific investigations. Scottish Home Department, Department of Agriculture and Fisheries.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Scientific Investigations. Edinburgh, Inglaterra: Scottish Home Department, Department of Agriculture and Fisheries, 2001.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Scientific Investigations. Scottish Home Department, Department of Agriculture and Fisheries, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.