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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWeerawardena, I. K., और 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWeerawardena, I. K., और 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.