West Bengal. Labour Directorate & Haldar, S. K. (1954). Report on an enquiry into the living conditions of the work employed in building & road construction industries in west Bengal 1950-1951. West Bengal Government Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWest Bengal. Labour Directorate और S. K. Haldar. Report on an Enquiry into the Living Conditions of the Work Employed in Building & Road Construction Industries in West Bengal 1950-1951. West Bengal Government Press, 1954.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWest Bengal. Labour Directorate और S. K. Haldar. Report on an Enquiry into the Living Conditions of the Work Employed in Building & Road Construction Industries in West Bengal 1950-1951. West Bengal Government Press, 1954.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.