Ratnapāla, N., & Gamachchige, N. (1980). Alcoholism in a Sinhalese village. Sarvodaya Research Institute.
Lua i Stíl Chicago (17ú heag.)Ratnapāla, Nandasēna, agus Nandasena Gamachchige. Alcoholism in a Sinhalese Village. Dehiwala: Sarvodaya Research Institute, 1980.
Lua MLA (8ú heag.)Ratnapāla, Nandasēna, agus Nandasena Gamachchige. Alcoholism in a Sinhalese Village. Sarvodaya Research Institute, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.