Transport and Road Research Laboratory. (1974). Symposium on public transport fare structure: Papers and discussion ; the proceedings of a Symposium held at the Transport and Road Research Laboratory, Crowthorne, Novemver 28 to 30, 1973. Transport and Road Research Laboratory.
Lua i Stíl Chicago (17ú heag.)Transport and Road Research Laboratory. Symposium on Public Transport Fare Structure: Papers and Discussion ; the Proceedings of a Symposium Held at the Transport and Road Research Laboratory, Crowthorne, Novemver 28 to 30, 1973. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1974.
Lua MLA (9ú heag.)Transport and Road Research Laboratory. Symposium on Public Transport Fare Structure: Papers and Discussion ; the Proceedings of a Symposium Held at the Transport and Road Research Laboratory, Crowthorne, Novemver 28 to 30, 1973. Transport and Road Research Laboratory, 1974.