India. Registrar general and census commissioner & Chockalingam, K. (1974). Census of India 1971. Series 19, Tamil Nadu: General economic tables. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Registrar general and census commissioner और K. Chockalingam. Census of India 1971. Series 19, Tamil Nadu: General Economic Tables. s.n, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Registrar general and census commissioner और K. Chockalingam. Census of India 1971. Series 19, Tamil Nadu: General Economic Tables. s.n, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.