Venkateswaran, P. A. (1961). Agriculture in South India. Directorate of Extension, Ministry of Food and Agriculture.
Lua i Stíl Chicago (17ú heag.)Venkateswaran, P. A. Agriculture in South India. New Delhi: Directorate of Extension, Ministry of Food and Agriculture, 1961.
Lua MLA (8ú heag.)Venkateswaran, P. A. Agriculture in South India. Directorate of Extension, Ministry of Food and Agriculture, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.