British standards Institution. Universal Decimal classification B S 1000 (625): 1976 UDC 625 civil engineering of land transport railway engineering. Highway engineering. British standards institution.
Stile di citazione ChicagoBritish standards Institution. Universal Decimal Classification B S 1000 (625): 1976 UDC 625 Civil Engineering of Land Transport Railway Engineering. Highway Engineering. London: British standards institution.
Citazione MLABritish standards Institution. Universal Decimal Classification B S 1000 (625): 1976 UDC 625 Civil Engineering of Land Transport Railway Engineering. Highway Engineering. British standards institution.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.