Operation, K. D. o. C. (1999). Census of India: 1991. Series 12 - Kerala. Controller of Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOperation, Kerala. Directorate of Census. Census of India: 1991. Series 12 - Kerala. Controller of Pub, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOperation, Kerala. Directorate of Census. Census of India: 1991. Series 12 - Kerala. Controller of Pub, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.