APA

Planning and Transport Research and Computation, PTRC proceedings P363, . (1993). Environmental issues. PTRC European transport, highways & planning. 21st summer annual meeting, University of Manchester, England, 13-17 September 1993. Seminar A. Proceedings. London: Planning and Transport Research and Computation.

Chicago

Planning and Transport Research and Computation, PTRC proceedings P363, . 1993. Environmental issues. PTRC European transport, highways & planning. 21st summer annual meeting, University of Manchester, England, 13-17 September 1993. Seminar A. Proceedings. London: Planning and Transport Research and Computation.

Harvard

Planning and Transport Research and Computation, PTRC proceedings P363, . (1993). Environmental issues. PTRC European transport, highways & planning. 21st summer annual meeting, University of Manchester, England, 13-17 September 1993. Seminar A. Proceedings. London: Planning and Transport Research and Computation.

MLA

Planning and Transport Research and Computation, PTRC proceedings P363, . Environmental issues. PTRC European transport, highways & planning. 21st summer annual meeting, University of Manchester, England, 13-17 September 1993. Seminar A. Proceedings. London: Planning and Transport Research and Computation. 1993.