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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. New Delhi. Ministry of Home Affairs. Office of the Registrar General India. Monography Division और P. Padmanabha. Census of India, 1971. Series 1 India: Paper 1 of 1979: Report of the Expert Committee on Population Projections. Controller, Department of Publications, Civil Lines, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. New Delhi. Ministry of Home Affairs. Office of the Registrar General India. Monography Division और P. Padmanabha. Census of India, 1971. Series 1 India: Paper 1 of 1979: Report of the Expert Committee on Population Projections. Controller, Department of Publications, Civil Lines, 1978.