India. Registrar General & Census Commissioner, Gupta, J. D., & Choudhury, P. G. (1967). Census of India, 1961.: West Bengal & Sikkim: report on vital statistics. The Controller of Publications, Civil Lines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Registrar General & Census Commissioner, J. Datta Gupta, और P. G. Choudhury. Census of India, 1961.: West Bengal & Sikkim: Report on Vital Statistics. The Controller of Publications, Civil Lines, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Registrar General & Census Commissioner, et al. Census of India, 1961.: West Bengal & Sikkim: Report on Vital Statistics. The Controller of Publications, Civil Lines, 1967.
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