Eagles, P. F. J. (1984). The planning and management of environmentally sensitive areas. Longman.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEagles, Paul F. J. The Planning and Management of Environmentally Sensitive Areas. London: Longman, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEagles, Paul F. J. The Planning and Management of Environmentally Sensitive Areas. Longman, 1984.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.