Bengal. Government of, P. D. (1936). Recommendations of the Conference of Police Officers held in November-December 1934.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBengal. Government of, Police Department. Recommendations of the Conference of Police Officers Held in November-December 1934. 1936.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিBengal. Government of, Police Department. Recommendations of the Conference of Police Officers Held in November-December 1934. 1936.
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