India. Dept. of Labour and Employment. Implementation and Evaluation Division. (1968). Labour in the public sector undertakings: Basic information.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Dept. of Labour and Employment. Implementation and Evaluation Division. Labour in the Public Sector Undertakings: Basic Information. [New Delhi, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रIndia. Dept. of Labour and Employment. Implementation and Evaluation Division. Labour in the Public Sector Undertakings: Basic Information. 1968.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.