India. Registrar general and census commissioner & Chockalingam, K. (1973). Census of India 1971. Series 19, Tamil Nadu: Report on establishments. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Registrar general and census commissioner और K. Chockalingam. Census of India 1971. Series 19, Tamil Nadu: Report on Establishments. s.n, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Registrar general and census commissioner और K. Chockalingam. Census of India 1971. Series 19, Tamil Nadu: Report on Establishments. s.n, 1973.
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