Stephany, E. (1989). Aachen Cathedral. Arend and Ortmann.
Citación estilo ChicagoStephany, Erich. Aachen Cathedral. Aachen: Arend and Ortmann, 1989.
Cita MLAStephany, Erich. Aachen Cathedral. Arend and Ortmann, 1989.
Warning: These citations may not always be 100% accurate.