Lebbe, I. (1982). North West Land & Water Resources Development Project: Vanathavillu socio-economic study. Agrarian Research & Training Institute.
Lua i Stíl Chicago (17ú heag.)Lebbe, Ishak. North West Land & Water Resources Development Project: Vanathavillu Socio-economic Study. Colombo: Agrarian Research & Training Institute, 1982.
Lua MLA (8ú heag.)Lebbe, Ishak. North West Land & Water Resources Development Project: Vanathavillu Socio-economic Study. Agrarian Research & Training Institute, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.