Dyfyniad APA

(1984). Safety at roadworks in urban areas: Site manual = Veiligheid by padwerke in stedelike gebiede : terreinhandleiding. Dept. of Transport for the National Transport Commission.

Dyfyniad Arddull Chicago

Safety at Roadworks in Urban Areas: Site Manual = Veiligheid by Padwerke in Stedelike Gebiede : Terreinhandleiding. Pretoria: Dept. of Transport for the National Transport Commission, 1984.

Dyfyniad MLA

Safety at Roadworks in Urban Areas: Site Manual = Veiligheid by Padwerke in Stedelike Gebiede : Terreinhandleiding. Dept. of Transport for the National Transport Commission, 1984.

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