Não informado. Notes on Water Pollution. Water Pollution Research Laboratory, Department of Scientific and Industrial Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Notes on Water Pollution. London: Water Pollution Research Laboratory, Department of Scientific and Industrial Research.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Notes on Water Pollution. Water Pollution Research Laboratory, Department of Scientific and Industrial Research.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.