India. Labour, M. o. (1983). Labour statistics under the Annual Survey of Industries 1978-79: Preliminary summary report (Census sector). The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Labour, Ministry of. Labour Statistics Under the Annual Survey of Industries 1978-79: Preliminary Summary Report (Census Sector). The author, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Labour, Ministry of. Labour Statistics Under the Annual Survey of Industries 1978-79: Preliminary Summary Report (Census Sector). The author, 1983.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.