Dyfyniad APA

Higgins, G. E., Howells, H., & Loe, J. A. (1983). The lightweight aggregate concrete bridge at Redesdale. Bridges Division, Highways and Structures Dept., Transport and Road Research Laboratory.

Dyfyniad Arddull Chicago

Higgins, G. E., H. Howells, and J. A. Loe. The Lightweight Aggregate Concrete Bridge at Redesdale. Crowthorne, Berkshire: Bridges Division, Highways and Structures Dept., Transport and Road Research Laboratory, 1983.

Dyfyniad MLA

Higgins, G. E., et al. The Lightweight Aggregate Concrete Bridge at Redesdale. Bridges Division, Highways and Structures Dept., Transport and Road Research Laboratory, 1983.

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