Gibbs, M. (2003). Eco Tower: Offices, Bonn, Germany : Architekten: Murphy / Jahn. The Architectural Review.
Lua i Stíl Chicago (17ú heag.)Gibbs, Mary. "Eco Tower: Offices, Bonn, Germany : Architekten: Murphy / Jahn." The Architectural Review 2003.
Lua MLA (8ú heag.)Gibbs, Mary. "Eco Tower: Offices, Bonn, Germany : Architekten: Murphy / Jahn." The Architectural Review, 2003.
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