West Bengal Labour Welfare Board. (2007). Statutory audit report & audit final accounts for the year 1991-1992 to 2006-2007. West Bengal Labour Welfare Board.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWest Bengal Labour Welfare Board. Statutory Audit Report & Audit Final Accounts for the Year 1991-1992 to 2006-2007. West Bengal Labour Welfare Board, 2007.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিWest Bengal Labour Welfare Board. Statutory Audit Report & Audit Final Accounts for the Year 1991-1992 to 2006-2007. West Bengal Labour Welfare Board, 2007.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.