(2001). Criteria for the Spatial Differentation of the EU Territory: Cultural Assets: Study Programme on European Spatial Planning.
Chicago-referens (17:e uppl.)Criteria for the Spatial Differentation of the EU Territory: Cultural Assets: Study Programme on European Spatial Planning. Bonn, 2001.
MLA-referens (8:e uppl.)Criteria for the Spatial Differentation of the EU Territory: Cultural Assets: Study Programme on European Spatial Planning. 2001.
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