Eagles, P. F. J. (1984). The planning and management of environmentally sensitive areas. Longman.
Cita Chicago (17th ed.)Eagles, Paul F. J. The Planning and Management of Environmentally Sensitive Areas. London: Longman, 1984.
Cita MLA (9th ed.)Eagles, Paul F. J. The Planning and Management of Environmentally Sensitive Areas. Longman, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.