Dyfyniad APA

(1994). Concrete Bridges In Aggressive Environments Editor Richard E. Weyers. American Concrete Institute.

Dyfyniad Arddull Chicago

Concrete Bridges In Aggressive Environments Editor Richard E. Weyers. American Concrete Institute, 1994.

Dyfyniad MLA

Concrete Bridges In Aggressive Environments Editor Richard E. Weyers. American Concrete Institute, 1994.

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