Bengal. Government of, P. D. (1928). Report on the police administration in Bengal Presidency for the year 1927.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBengal. Government of, Police Department. Report on the Police Administration in Bengal Presidency for the Year 1927. 1928.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBengal. Government of, Police Department. Report on the Police Administration in Bengal Presidency for the Year 1927. 1928.
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