D.F> Bickford and others. (1988). Advances in the fusion of glass. American Ceramic Society.
Dyfyniad Arddull ChicagoD.F> Bickford and others. Advances in the Fusion of Glass. Ohio: American Ceramic Society, 1988.
Dyfyniad MLAD.F> Bickford and others. Advances in the Fusion of Glass. American Ceramic Society, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.