World Health Organization. Regional Office for the Western Pacific & ebrary, Inc. (2008). Training workbook on water safety plans for urban systems. World Health Organization, Western Pacific Region.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Regional Office for the Western Pacific و Inc ebrary. Training Workbook on Water Safety Plans for Urban Systems. Manila, Philippines: World Health Organization, Western Pacific Region, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Health Organization. Regional Office for the Western Pacific و Inc ebrary. Training Workbook on Water Safety Plans for Urban Systems. World Health Organization, Western Pacific Region, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.