Gaya APA

UK, Department of Transport. (1987). Signing and illumination of road humps: two-way, 2-lane single carriageway roads . : HMSO.

Gaya Chicago

UK, Department of Transport. Signing and illumination of road humps: two-way, 2-lane single carriageway roads. : HMSO, 1987. Art Original.

Gaya MLA

UK, Department of Transport. Signing and illumination of road humps: two-way, 2-lane single carriageway roads. : HMSO, 1987. Art Original.

Gaya Turabian

UK, Department of Transport. Signing and illumination of road humps: two-way, 2-lane single carriageway roads. : HMSO, 1987. Art Original.