Abeysinghe, A. (1974). Papain industry in Sri Lanka: Papaw cultivation for papain, processing of papaw latex into papain, and domestic and international marketing. Ministry of Plantation Industries.
Lua i Stíl Chicago (17ú heag.)Abeysinghe, Ariya. Papain Industry in Sri Lanka: Papaw Cultivation for Papain, Processing of Papaw Latex into Papain, and Domestic and International Marketing. Colombo: Ministry of Plantation Industries, 1974.
Lua MLA (8ú heag.)Abeysinghe, Ariya. Papain Industry in Sri Lanka: Papaw Cultivation for Papain, Processing of Papaw Latex into Papain, and Domestic and International Marketing. Ministry of Plantation Industries, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.