International Water Management Institute. (1999). Multiple uses of water in irrigated areas: A case study from Sri Lanka. International Water Management Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Water Management Institute. Multiple Uses of Water in Irrigated Areas: A Case Study from Sri Lanka. Colombo: International Water Management Institute, 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Water Management Institute. Multiple Uses of Water in Irrigated Areas: A Case Study from Sri Lanka. International Water Management Institute, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.