Gaya APA

UK, , D, O, T. (1993). Design manual for roads and bridges, volume 2 a Highway structures: design (substructures and special structures) materials . : HMSO.

Gaya MLA

UK, , Department, Of, Transport. "Design manual for roads and bridges, volume 2 a Highway structures: design (substructures and special structures) materials". : HMSO, 1993. Art Original.