Dyfyniad APA

United States. Army. Corps of Engineers. (1949). Handbook for concrete and cement (Complete ed.). Waterways Experiment Station.

Dyfyniad Arddull Chicago

United States. Army. Corps of Engineers. Handbook for Concrete and Cement. Complete ed. Vicksburg, Miss.: Waterways Experiment Station, 1949.

Dyfyniad MLA

United States. Army. Corps of Engineers. Handbook for Concrete and Cement. Complete ed. Waterways Experiment Station, 1949.

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