Johnson, J. R. (1963). The Stained Glass Theories of Viollet-le-Duc. Philadelphia, Pa: Taylor & Francis Group.
Dyfyniad Arddull ChicagoJohnson, James Rosser. The Stained Glass Theories of Viollet-le-Duc. Philadelphia, Pa: Taylor & Francis Group, 1963.
Dyfyniad MLAJohnson, James Rosser. The Stained Glass Theories of Viollet-le-Duc. Philadelphia, Pa: Taylor & Francis Group, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.