West Bengal. Labour, D. o., & of, W. B. L. D. Labour in West Bengal: 1973. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWest Bengal. Labour, Department of, और West Bengal. Labour Department of. Labour in West Bengal: 1973. The author.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWest Bengal. Labour, Department of, और West Bengal. Labour Department of. Labour in West Bengal: 1973. The author.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.