Baird Callicott, .J. & Nelson. M. P., (eds.) 1998. The Great New Wilderness Debate. Athens, Georgia: University of Georgia Press.
Bookchin, M., 1993. ‘What Is Social Ecology?’ In Environmental Philosophy: From Animal Rights to Radical Ecology, Zimmerman, M.E. (ed.) Prentice Hall, Englewood Cliffs, NJ. Available online at: http://dwardmac.pitzer.edu/Anarchist_Archives/bookchin/socecol.html. Accessed June 2006.
Guattari, F. 2000. The Three Ecologies. Trans by Ian Pindar & Paul Simon. Continuum.