India, T. B. o. (1979). Report on techno-economic survey of small Tea Gardens in Kottayam and Idukki. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia, Tea Board of. Report on Techno-economic Survey of Small Tea Gardens in Kottayam and Idukki. The author, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia, Tea Board of. Report on Techno-economic Survey of Small Tea Gardens in Kottayam and Idukki. The author, 1979.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.