West Bengal. Bureau of Applied Economics and Statistics. (1981). Guide to current official statistics of West Bengal. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWest Bengal. Bureau of Applied Economics and Statistics. Guide to Current Official Statistics of West Bengal. The author, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWest Bengal. Bureau of Applied Economics and Statistics. Guide to Current Official Statistics of West Bengal. The author, 1981.
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