India. Central Statistical Organisation, C. (1972). Annual Survey of Industries: 1966 - Census sector. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Central Statistical Organisation, Calcutta. Annual Survey of Industries: 1966 - Census Sector. The author, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Central Statistical Organisation, Calcutta. Annual Survey of Industries: 1966 - Census Sector. The author, 1972.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.