Indian institute of, e. a. e. (1995). International encyclopaedia of ecology and environment Vol 27. IIEE.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndian institute of, ecology and environment. International Encyclopaedia of Ecology and Environment Vol 27. New delhi: IIEE, 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndian institute of, ecology and environment. International Encyclopaedia of Ecology and Environment Vol 27. IIEE, 1995.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.