India. Registrar General & Census Commissioner & Ghose, B. Census of India, 1981. Series-22 West Bengal: General economic tables. The Controller of Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Registrar General & Census Commissioner और Bhaskar Ghose. Census of India, 1981. Series-22 West Bengal: General Economic Tables. The Controller of Publications.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Registrar General & Census Commissioner और Bhaskar Ghose. Census of India, 1981. Series-22 West Bengal: General Economic Tables. The Controller of Publications.
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