Saxena, B. C., Singh, H. P., & Verma, S. P. (1980). Statistical studies on milk production, income and employment under different categories of agricultural holdings in the milk shed area of Greater Calcutta Milk Supply Scheme, Calcutta - West Bengal (1976-77). Indian Agricultural Statistics Research Institute.
Παραπομπή σε μορφή Chicago (17η εκδ.)Saxena, B. C., H. P. Singh, και S. P. Verma. Statistical Studies on Milk Production, Income and Employment Under Different Categories of Agricultural Holdings in the Milk Shed Area of Greater Calcutta Milk Supply Scheme, Calcutta - West Bengal (1976-77). New Delhi: Indian Agricultural Statistics Research Institute, 1980.
Παραπομπή σε μορφή MLA (8th εκδ.)Saxena, B. C., et al. Statistical Studies on Milk Production, Income and Employment Under Different Categories of Agricultural Holdings in the Milk Shed Area of Greater Calcutta Milk Supply Scheme, Calcutta - West Bengal (1976-77). Indian Agricultural Statistics Research Institute, 1980.