Dyfyniad APA

Viollet-le-Duc, E., & Hearn, M. F. (1990). The architectural theory of Viollet-le-Duc: Readings and commentary. MIT Press.

Dyfyniad Arddull Chicago

Viollet-le-Duc, Eugene-Emmanuel, and M. F. Hearn. The Architectural Theory of Viollet-le-Duc: Readings and Commentary. Cambridge, Mass: MIT Press, 1990.

Dyfyniad MLA

Viollet-le-Duc, Eugene-Emmanuel, and M. F. Hearn. The Architectural Theory of Viollet-le-Duc: Readings and Commentary. MIT Press, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.