(1999). IBA Emscher Park: A selection of projects. Topos.
Cita Chicago (17th ed.)"IBA Emscher Park: A Selection of Projects." Topos 1999.
Cita MLA (8th ed.)"IBA Emscher Park: A Selection of Projects." Topos, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.