India. Registrar General & Census Commissioner & Sekhar, A. C. (1977). Census of India, 1971. Series 1 India: General economic tables. Controller of Publication.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Registrar General & Census Commissioner और A. Chandra Sekhar. Census of India, 1971. Series 1 India: General Economic Tables. Controller of Publication, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Registrar General & Census Commissioner और A. Chandra Sekhar. Census of India, 1971. Series 1 India: General Economic Tables. Controller of Publication, 1977.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.