Route nationale.
Briggs, Lol.
Goodman-Stephens, Bryan.
Rogers, Paul,1950-
National Language Unit of Wales.
Walton-on-Thames : Nelson,
[1995?]
Original ed.: Walton-on-Thames : Nelson, 1995.
Welsh version by: Uned Iaith Genedlaethol Cymru = National Language Unit of Wales.
French language