De Silva, G. A. C., & Sathasivampillai, K. (1976). Potato-vegetable cultivation in Nuwara Eliya District of Sri Lanka. Govt. Dept. of Agriculture.
Lua i Stíl Chicago (17ú heag.)De Silva, G. A. C., agus K. Sathasivampillai. Potato-vegetable Cultivation in Nuwara Eliya District of Sri Lanka. Peradeniya, Sri Lanka.: Govt. Dept. of Agriculture, 1976.
Lua MLA (8ú heag.)De Silva, G. A. C., agus K. Sathasivampillai. Potato-vegetable Cultivation in Nuwara Eliya District of Sri Lanka. Govt. Dept. of Agriculture, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.