1. AA.VV. (1997) Progetto Venezia 21,Fondazione Eni Enrico Mattei.
2. Bocchi, M. and Ceruti, M. (eds.) (1994) La sfida della complessità, Feltrinelli, Milano.
3. Brandon, P.S., Bentivegna, V. and Lombardi, P. (eds) (1997) Evaluation of Sustainability in the Built Environment, Chapman and Hall, London.
4. Breheny, M.(ed.) (1992) Sustainable development and urban form, Pion, London.
5. Camagni, R. (ed) (1996) Economia e pianiftcazione della città sostenibile, Il Mulino, Milano. Clouser, R.A. (1991) The Myth of Religions Neutrality, University of Notre Dame, London.