Hopper, R. (2009). The ceramic spectrum: A simplified approach to glaze and color development (2nd ed.). The American Ceramic Society.
Dyfyniad Arddull ChicagoHopper, Robin. The Ceramic Spectrum: A Simplified Approach to Glaze and Color Development. 2nd ed. Westerville, Ohio: The American Ceramic Society, 2009.
Dyfyniad MLAHopper, Robin. The Ceramic Spectrum: A Simplified Approach to Glaze and Color Development. 2nd ed. The American Ceramic Society, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.