Dyfyniad APA

Proceedings of the Institution of Civil Engineers. [London]: [Institution of Civil Engineers].

Dyfyniad Arddull Chicago

Proceedings of the Institution of Civil Engineers. [London]: [Institution of Civil Engineers].

Dyfyniad MLA

Proceedings of the Institution of Civil Engineers. [London]: [Institution of Civil Engineers].

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