Gibbs, M. (2003). Eco Tower: Offices, Bonn, Germany : Architekten: Murphy / Jahn. The Architectural Review.
Cita Chicago (17th ed.)Gibbs, Mary. "Eco Tower: Offices, Bonn, Germany : Architekten: Murphy / Jahn." The Architectural Review 2003.
Cita MLA (8th ed.)Gibbs, Mary. "Eco Tower: Offices, Bonn, Germany : Architekten: Murphy / Jahn." The Architectural Review, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.