Central Statistical Organisation, Ministry of Statistics and Programme Implementation, India. (2005). Compendium of environment statistics 2003. Ministry of Statistics and Programme Implementation, India.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCentral Statistical Organisation, Ministry of Statistics and Programme Implementation, India. Compendium of Environment Statistics 2003. Ministry of Statistics and Programme Implementation, India, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCentral Statistical Organisation, Ministry of Statistics and Programme Implementation, India. Compendium of Environment Statistics 2003. Ministry of Statistics and Programme Implementation, India, 2005.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.