Lua APA (7ú heag.)
Simson, O. G. v. (1956). The Gothic cathedral: Origins of Gothic architecture and the medieval concept of order. Pantheon Books.
Lua i Stíl Chicago (17ú heag.)
Simson, Otto Georg von. The Gothic Cathedral: Origins of Gothic Architecture and the Medieval Concept of Order. [New York]: Pantheon Books, 1956.
Lua MLA (9ú heag.)
Simson, Otto Georg von. The Gothic Cathedral: Origins of Gothic Architecture and the Medieval Concept of Order. Pantheon Books, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.