India. Central Statistical Organisation, C. (1974). Annual Survey of Industries: 1970 - Census sector (provisional results): General review. Controlloer of Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Central Statistical Organisation, Calcutta. Annual Survey of Industries: 1970 - Census Sector (provisional Results): General Review. Controlloer of Pub, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Central Statistical Organisation, Calcutta. Annual Survey of Industries: 1970 - Census Sector (provisional Results): General Review. Controlloer of Pub, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.