(2001). Spatial development and spatial planning in Germany. Federal Office for Building and Regional Planning.
Chicago-Zitierstil (17. Ausg.)Spatial Development and Spatial Planning in Germany. Bonn: Federal Office for Building and Regional Planning, 2001.
MLA-Zitierstil (9. Ausg.)Spatial Development and Spatial Planning in Germany. Federal Office for Building and Regional Planning, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.