APA (7th ed.) Zitazioa

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 Style (17th ed.) Zitazioa

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 (9th ed.) Zitazioa

European foundation for the improvement of living and working conditions. Intermediate Cities in Search of Sustainability. Office des Publications Officielles des Communautés Européennes, 1996.