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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)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.