Venkateswaran, P. A. (1961). Agriculture in South India. Directorate of Extension, Ministry of Food and Agriculture.
Citazione stile Chigago Style (17a edizione)Venkateswaran, P. A. Agriculture in South India. New Delhi: Directorate of Extension, Ministry of Food and Agriculture, 1961.
Citatione MLA (8a ed.)Venkateswaran, P. A. Agriculture in South India. Directorate of Extension, Ministry of Food and Agriculture, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.