Central Statistical Organisation, I. (1984). Annual Survey of Indistries: 1980-81 - Summary results for factory sector. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCentral Statistical Organisation, India. Annual Survey of Indistries: 1980-81 - Summary Results for Factory Sector. The author, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCentral Statistical Organisation, India. Annual Survey of Indistries: 1980-81 - Summary Results for Factory Sector. The author, 1984.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.