Marga Institute. (1974). Welfare and growth: A case study of Sri Lanka prepared for the UNRISD project 'The unified approach to development planning & analysis'. Marga Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Marga Institute. Welfare and Growth: A Case Study of Sri Lanka Prepared for the UNRISD Project 'The Unified Approach to Development Planning & Analysis'. Colombo: Marga Institute, 1974.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Marga Institute. Welfare and Growth: A Case Study of Sri Lanka Prepared for the UNRISD Project 'The Unified Approach to Development Planning & Analysis'. Marga Institute, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.