Bertolucci, C. (2002). Spanish Steps: External Staircase, Toledo, Spain : Architekten: Lapena & Torres. The Architectural Review.
Cita Chicago Style (17a ed.)Bertolucci, Carla. "Spanish Steps: External Staircase, Toledo, Spain : Architekten: Lapena & Torres." The Architectural Review 2002.
Cita MLA (8a ed.)Bertolucci, Carla. "Spanish Steps: External Staircase, Toledo, Spain : Architekten: Lapena & Torres." The Architectural Review, 2002.
Precaución: Estas citas no son 100% exactas.