APA (7 वां संस्करण) प्रशस्ति पत्र

India. Registrar general and census commissioner & Das, B. (1973). Census of India 1971. Series 4, Bihar: Housing report and tables. Govt. of India press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

India. Registrar general and census commissioner और B.L Das. Census of India 1971. Series 4, Bihar: Housing Report and Tables. Govt. of India press, 1973.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

India. Registrar general and census commissioner और B.L Das. Census of India 1971. Series 4, Bihar: Housing Report and Tables. Govt. of India press, 1973.

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