World Trade Organization Headquarters
- Schweizer Architekturführer - Guide d'architecture suisse - Guide to Swiss Architecture (1920-1995). 3. Westschweiz, Wallis, Tessin / Suisse romande, Valais, Tessin / Western Switzerland, Valais, Ticino. Verlag Werk AG, Zurich (Switzerland), pp. 149. (1996):