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.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (9th εκδ.)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.