India. Registrar general and census commissioner & Chandra Sekhar , A. (1963). Census of India 1961, Andhra Pradesh: Economic tables. The manager of publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Registrar general and census commissioner और A. Chandra Sekhar. Census of India 1961, Andhra Pradesh: Economic Tables. The manager of publications, 1963.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Registrar general and census commissioner और A. Chandra Sekhar. Census of India 1961, Andhra Pradesh: Economic Tables. The manager of publications, 1963.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.