European Foundation for the Improvement of Living and Working Conditions (Eurofound)., Mega, V., & Petrella, R. (1997). Utopias and realities of urban sustainable development: New alliances between economy, environment and democracy for small and medium-sized cities : conference proceedings, Turin-Barolo, 19-21 September 1996. Luxembourg: Office for Official Publications of the European Communities.

European Foundation for the Improvement of Living and Working Conditions (Eurofound)., Voula Mega, and Riccardo Petrella. Utopias and Realities of Urban Sustainable Development: New Alliances between Economy, Environment and Democracy for Small and Medium-sized Cities : Conference Proceedings, Turin-Barolo, 19-21 September 1996. Luxembourg: Office for Official Publications of the European Communities, 1997.

European Foundation for the Improvement of Living and Working Conditions (Eurofound)., Voula Mega, and Riccardo Petrella. Utopias and Realities of Urban Sustainable Development: New Alliances between Economy, Environment and Democracy for Small and Medium-sized Cities : Conference Proceedings, Turin-Barolo, 19-21 September 1996. Luxembourg: Office for Official Publications of the European Communities, 1997.