India. Ministry of Statistics and Programme Implementation. Central Statistical Organization. (2011). Compendium of environment statistics: India, 2011. Central Statistical Oraganization, Ministry of Statistics and Programme Implementation, Govt. of India.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Ministry of Statistics and Programme Implementation. Central Statistical Organization. Compendium of Environment Statistics: India, 2011. Central Statistical Oraganization, Ministry of Statistics and Programme Implementation, Govt. of India, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Ministry of Statistics and Programme Implementation. Central Statistical Organization. Compendium of Environment Statistics: India, 2011. Central Statistical Oraganization, Ministry of Statistics and Programme Implementation, Govt. of India, 2011.