Dyfyniad APA

(1985). Clays: A chapter from Mineral facts and problems, 1985 edition.

Dyfyniad Arddull Chicago

Clays: A Chapter from Mineral Facts and Problems, 1985 Edition. 1985.

Dyfyniad MLA

Clays: A Chapter from Mineral Facts and Problems, 1985 Edition. 1985.

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