Organisation for Economic Co-operation and Development & ProQuest (Firm). (2010). Pricing water resources and water and sanitation services. OECD Pub..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development و ProQuest (Firm). Pricing Water Resources and Water and Sanitation Services. Paris, France: OECD Pub., 2010.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development و ProQuest (Firm). Pricing Water Resources and Water and Sanitation Services. OECD Pub., 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.