Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

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