Παραπομπή APA
European Commission. (1997). The EU compendium of spatial planning systems and policies: Austria. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. The EU Compendium of Spatial Planning Systems and Policies: Austria. Luxembourg: Office for Official Publications of the European Communities, 1997.
Παραπομπή MLAEuropean Commission. The EU Compendium of Spatial Planning Systems and Policies: Austria. Luxembourg: Office for Official Publications of the European Communities, 1997.
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