Viollet-le-Duc, E., & Hearn, M. F. (1990). The architectural theory of Viollet-le-Duc: Readings and commentary. MIT Press.
Lua i Stíl Chicago (17ú heag.)Viollet-le-Duc, Eugene-Emmanuel, agus M. F. Hearn. The Architectural Theory of Viollet-le-Duc: Readings and Commentary. Cambridge, Mass: MIT Press, 1990.
Lua MLA (9ú heag.)Viollet-le-Duc, Eugene-Emmanuel, agus M. F. Hearn. The Architectural Theory of Viollet-le-Duc: Readings and Commentary. MIT Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.