Dyfyniad APA

Worrall, W. (1975). Clays and ceramic raw materials. Applied Science Publishers.

Dyfyniad Arddull Chicago

Worrall, W.E. Clays and Ceramic Raw Materials. London: Applied Science Publishers, 1975.

Dyfyniad MLA

Worrall, W.E. Clays and Ceramic Raw Materials. Applied Science Publishers, 1975.

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