Dyfyniad APA

(1995). Fly Ash, Silica Fume, Slag And Natural Pozzolans In Concrete Vol.i Dan Vol.ii. American Concrete Institute (A.

Dyfyniad Arddull Chicago

Fly Ash, Silica Fume, Slag And Natural Pozzolans In Concrete Vol.i Dan Vol.ii. American Concrete Institute (A, 1995.

Dyfyniad MLA

Fly Ash, Silica Fume, Slag And Natural Pozzolans In Concrete Vol.i Dan Vol.ii. American Concrete Institute (A, 1995.

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