(1977). Highway desing: Proceedings of the Seminar of highway desing held from Monday 27-Thursday 30 June 1977 during the PTRC Summer Annual Meeting and the University of Warwick, England. Warwick: Planning and Transport Research and ComputationPTRC Education and Research Services.
Παραπομπή Chicago StyleHighway Desing: Proceedings of the Seminar of Highway Desing Held From Monday 27-Thursday 30 June 1977 During the PTRC Summer Annual Meeting and the University of Warwick, England. Warwick: Planning and Transport Research and ComputationPTRC Education and Research Services, 1977.
Παραπομπή MLAHighway Desing: Proceedings of the Seminar of Highway Desing Held From Monday 27-Thursday 30 June 1977 During the PTRC Summer Annual Meeting and the University of Warwick, England. Warwick: Planning and Transport Research and ComputationPTRC Education and Research Services, 1977.