(1973). Transportation planning practice: Proceedings of the seminar on Transportation Planning Practice held during the P.T.R.C. Summer Annual Meeting, 25-29 June, 1973 at the University of Sussex. London: Planning and Transport Research and Computation.
Παραπομπή Chicago StyleTransportation Planning Practice: Proceedings of the Seminar On Transportation Planning Practice Held During the P.T.R.C. Summer Annual Meeting, 25-29 June, 1973 At the University of Sussex. London: Planning and Transport Research and Computation, 1973.
Παραπομπή MLATransportation Planning Practice: Proceedings of the Seminar On Transportation Planning Practice Held During the P.T.R.C. Summer Annual Meeting, 25-29 June, 1973 At the University of Sussex. London: Planning and Transport Research and Computation, 1973.