World Health Organization. Regional Office for the Western Pacific, UNICEF, Hueb, J. A., Thompson, T. P., & Henderson, M. (2009). Water supply and sanitation sector assessments: A guide for country-level action. World Health Organization, Western Pacific Region UNICEF.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Regional Office for the Western Pacific, UNICEF, Jose Augusto Hueb, Terrence P. Thompson, و Mark Henderson. Water Supply and Sanitation Sector Assessments: A Guide for Country-level Action. Manila, [Bangkok?]: World Health Organization, Western Pacific Region UNICEF, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Health Organization. Regional Office for the Western Pacific, et al. Water Supply and Sanitation Sector Assessments: A Guide for Country-level Action. World Health Organization, Western Pacific Region UNICEF, 2009.