Slessor, C. (2005). Stuttgart Spiral: Car Museum, Stuttgart, Germany : Architekten: UN Studio. The Architectural Review.
Lua i Stíl Chicago (17ú heag.)Slessor, Catherine. "Stuttgart Spiral: Car Museum, Stuttgart, Germany : Architekten: UN Studio." The Architectural Review 2005.
Lua MLA (8ú heag.)Slessor, Catherine. "Stuttgart Spiral: Car Museum, Stuttgart, Germany : Architekten: UN Studio." The Architectural Review, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.