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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWest Bengal Labour Welfare Board. Statutory Audit Report & Audit Final Accounts for the Year 1991-1992 to 2006-2007. West Bengal Labour Welfare Board, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWest Bengal Labour Welfare Board. Statutory Audit Report & Audit Final Accounts for the Year 1991-1992 to 2006-2007. West Bengal Labour Welfare Board, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.