India. Registrar general and census commissioner & Devassy, M. K. (1965). Census of India 1961, Kerala: Household economic tables. The manager of publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Registrar general and census commissioner और M. K. Devassy. Census of India 1961, Kerala: Household Economic Tables. The manager of publications, 1965.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Registrar general and census commissioner और M. K. Devassy. Census of India 1961, Kerala: Household Economic Tables. The manager of publications, 1965.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.