Amerasinghe, N. S. M. A. (1974). A study of economic resource use and production possibilities on settlement schemes in Sri Lanka: With special reference to the Minipe Colonisation Scheme. British Library Document Supply Centre.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Amerasinghe, Nihal St. Michael Aloysius. A Study of Economic Resource Use and Production Possibilities on Settlement Schemes in Sri Lanka: With Special Reference to the Minipe Colonisation Scheme. Boston Spa, United Kindom: British Library Document Supply Centre, 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Amerasinghe, Nihal St. Michael Aloysius. A Study of Economic Resource Use and Production Possibilities on Settlement Schemes in Sri Lanka: With Special Reference to the Minipe Colonisation Scheme. British Library Document Supply Centre, 1974.