European foundation for the improvement of living and working conditions. (1996). Intermediate cities in search of sustainability. Office des Publications Officielles des Communautés Européennes.
Chicago-Zitierstil (17. Ausg.)European foundation for the improvement of living and working conditions. Intermediate Cities in Search of Sustainability. Luxemburgo: Office des Publications Officielles des Communautés Européennes, 1996.
MLA-Zitierstil (9. Ausg.)European foundation for the improvement of living and working conditions. Intermediate Cities in Search of Sustainability. Office des Publications Officielles des Communautés Européennes, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.