Eagles, P. F. J. (1984). The planning and management of environmentally sensitive areas. Longman.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিEagles, Paul F. J. The Planning and Management of Environmentally Sensitive Areas. London: Longman, 1984.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিEagles, Paul F. J. The Planning and Management of Environmentally Sensitive Areas. Longman, 1984.