Operations, W. B. D. o. C. (1981). Census of India 1981. Series-23. Provisional population totals: West Bengal (Paper 1 of 1981). The author.
Style de citation Chicago (17e éd.)Operations, West Bengal. Director of Census. Census of India 1981. Series-23. Provisional Population Totals: West Bengal (Paper 1 of 1981). The author, 1981.
Style de citation MLA (9e éd.)Operations, West Bengal. Director of Census. Census of India 1981. Series-23. Provisional Population Totals: West Bengal (Paper 1 of 1981). The author, 1981.
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