Weilacher, U. (2009). Learning from Duisburg-Nord: Duisburg-Nord Landscape Park in Germany's Ruhr district is an icon of the handling and reuse of post-industrial sites. Topos.
Chicago-Zitierstil (17. Ausg.)Weilacher, Udo. "Learning from Duisburg-Nord: Duisburg-Nord Landscape Park in Germany's Ruhr District Is an Icon of the Handling and Reuse of Post-industrial Sites." Topos 2009.
MLA-Zitierstil (8. Ausg.)Weilacher, Udo. "Learning from Duisburg-Nord: Duisburg-Nord Landscape Park in Germany's Ruhr District Is an Icon of the Handling and Reuse of Post-industrial Sites." Topos, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.