European Foundation for the Improvement of Living and Working Conditions & European Workshop on Land Use and Environmental Improvement in Cities. (1992). Land use management and environmental improvement in cities: Proceedings of a European workshop, Lisbon 6-8 May 1992. European Foundation for the Improvement of Living and Working Conditions.
Παραπομπή σε μορφή Chicago (17η εκδ.)European Foundation for the Improvement of Living and Working Conditions και European Workshop on Land Use and Environmental Improvement in Cities. Land Use Management and Environmental Improvement in Cities: Proceedings of a European Workshop, Lisbon 6-8 May 1992. Loughlinstown House: European Foundation for the Improvement of Living and Working Conditions, 1992.
Παραπομπή σε μορφή MLA (9th εκδ.)European Foundation for the Improvement of Living and Working Conditions και European Workshop on Land Use and Environmental Improvement in Cities. Land Use Management and Environmental Improvement in Cities: Proceedings of a European Workshop, Lisbon 6-8 May 1992. European Foundation for the Improvement of Living and Working Conditions, 1992.