Wanigaratne, R. D. (1975). A study of communication flow in selected villages in Sri Lanka: Case study. Agrarian Research and Training Institute.
Lua i Stíl Chicago (17ú heag.)Wanigaratne, R. D. A Study of Communication Flow in Selected Villages in Sri Lanka: Case Study. Colombo: Agrarian Research and Training Institute, 1975.
Lua MLA (8ú heag.)Wanigaratne, R. D. A Study of Communication Flow in Selected Villages in Sri Lanka: Case Study. Agrarian Research and Training Institute, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.