World Health Organization & International Water Association Environmental Protection Agency. (2012). Animal waste, water quality and human health. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization و International Water Association Environmental Protection Agency. Animal Waste, Water Quality and Human Health. London: World Health Organization, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization و International Water Association Environmental Protection Agency. Animal Waste, Water Quality and Human Health. World Health Organization, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.