Venkateswaran, P. A. (1961). Agriculture in South India. Directorate of Extension, Ministry of Food and Agriculture.
Cita Chicago (17th ed.)Venkateswaran, P. A. Agriculture in South India. New Delhi: Directorate of Extension, Ministry of Food and Agriculture, 1961.
Cita MLA (8th ed.)Venkateswaran, P. A. Agriculture in South India. Directorate of Extension, Ministry of Food and Agriculture, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.