World Health Organization, International Water Association, & Bartram, J. (2009). Water safety plan manual: Step-by-step risk management for drinking-water suppliers. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization, International Water Association, و Jamie Bartram. Water Safety Plan Manual: Step-by-step Risk Management for Drinking-water Suppliers. Geneva: World Health Organization, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Health Organization, et al. Water Safety Plan Manual: Step-by-step Risk Management for Drinking-water Suppliers. World Health Organization, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.