Weerawardena, I. K., & Collonnege, I. (1974). A short history on credit for peasant agriculture in Sri Lanka by the Department of Agrarian Services from 1947 to 1974. Rural Institutions & Productivity Laws Division, Ministry of Agriculture & Lands.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Weerawardena, I. K., và I. Collonnege. A Short History on Credit for Peasant Agriculture in Sri Lanka by the Department of Agrarian Services from 1947 to 1974. Colombo: Rural Institutions & Productivity Laws Division, Ministry of Agriculture & Lands, 1974.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Weerawardena, I. K., và I. Collonnege. A Short History on Credit for Peasant Agriculture in Sri Lanka by the Department of Agrarian Services from 1947 to 1974. Rural Institutions & Productivity Laws Division, Ministry of Agriculture & Lands, 1974.