India. Ministry of Agriculture. Department of Agriculture and Co-Operation. Directorate of Economics and Statistics. (1990). Indian agriculture in brief (23rd ed.). Controller of Publications.
Παραπομπή σε μορφή Chicago (17η εκδ.)India. Ministry of Agriculture. Department of Agriculture and Co-Operation. Directorate of Economics and Statistics. Indian Agriculture in Brief. 23rd ed. Delhi: Controller of Publications, 1990.
Παραπομπή σε μορφή MLA (9th εκδ.)India. Ministry of Agriculture. Department of Agriculture and Co-Operation. Directorate of Economics and Statistics. Indian Agriculture in Brief. 23rd ed. Controller of Publications, 1990.
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