Dyfyniad APA

Bradley, W. F., & Bailey, S. W. (1960). Clays and clay minerals: :Proceedings of the thirteenth national conference. Symposium publications division.

Dyfyniad Arddull Chicago

Bradley, W. F., and S. W. Bailey. Clays and Clay Minerals: :Proceedings of the Thirteenth National Conference. London: Symposium publications division, 1960.

Dyfyniad MLA

Bradley, W. F., and S. W. Bailey. Clays and Clay Minerals: :Proceedings of the Thirteenth National Conference. Symposium publications division, 1960.

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