of, W. B. L. D. Labour of West Bengal: 1991. West Bengal Government.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रof, West Bengal. Labour Department. Labour of West Bengal: 1991. West Bengal Government.
एमएलए (9वां संस्करण) प्रशस्ति पत्रof, West Bengal. Labour Department. Labour of West Bengal: 1991. West Bengal Government.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.