Organisation for Economic Co-operation and Development. Secretary-General, OECD iLibrary, ProQuest (Firm), & Tremolet, S. (2011). Meeting the challenge of financing water and sanitation: Tools and approaches. OECD.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development. Secretary-General, OECD iLibrary, ProQuest (Firm), و Sophie Tremolet. Meeting the Challenge of Financing Water and Sanitation: Tools and Approaches. Paris: OECD, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development. Secretary-General, et al. Meeting the Challenge of Financing Water and Sanitation: Tools and Approaches. OECD, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.