Chauhan, S. S. (1977). Crop production. Farm Information Unit, Directorate of Extension, Ministry of Agriculture and Irrigation.
Lua i Stíl Chicago (17ú heag.)Chauhan, S. S. Crop Production. New Delhi: Farm Information Unit, Directorate of Extension, Ministry of Agriculture and Irrigation, 1977.
Lua MLA (8ú heag.)Chauhan, S. S. Crop Production. Farm Information Unit, Directorate of Extension, Ministry of Agriculture and Irrigation, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.