Kirby, H. T. (1943). Ancient glass at Twycross. London: Burlington Magazine Publ.
Dyfyniad Arddull ChicagoKirby, H. T. Ancient Glass At Twycross. London: Burlington Magazine Publ, 1943.
Dyfyniad MLAKirby, H. T. Ancient Glass At Twycross. London: Burlington Magazine Publ, 1943.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.