Leppert, S. (2015). At Last - No More Curbs: The redevelopment of the Altstadt of Warburg, Germany, combines access for all and attractive design. Topos.
Chicago-viite (17. p.)Leppert, Stefan. "At Last - No More Curbs: The Redevelopment of the Altstadt of Warburg, Germany, Combines Access for All and Attractive Design." Topos 2015.
MLA-viite (8. p.)Leppert, Stefan. "At Last - No More Curbs: The Redevelopment of the Altstadt of Warburg, Germany, Combines Access for All and Attractive Design." Topos, 2015.
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