APA
Agrarian Research and Training Institute (ARTI), . (1983). Reduced Planning Efforts: The Key Region Approach in Ratnapura. Agrarian Research and Training Institute (ARTI): Colombo.
Chicago
Agrarian Research and Training Institute (ARTI), . 1983. Reduced Planning Efforts: The Key Region Approach in Ratnapura. Agrarian Research and Training Institute (ARTI): Colombo.
Harvard
Agrarian Research and Training Institute (ARTI), . (1983). Reduced Planning Efforts: The Key Region Approach in Ratnapura. Agrarian Research and Training Institute (ARTI): Colombo.
MLA
Agrarian Research and Training Institute (ARTI), . Reduced Planning Efforts: The Key Region Approach in Ratnapura. Agrarian Research and Training Institute (ARTI): Colombo. 1983.