APA

Planning and Transport Research and Computation, PTRC proceedings P375, . (1994). Environmental issues. PTRC European transport forum. 22nd summer annual meeting, University of Warwick, England, 12-16 September 1994. Seminar C. Proceedings. London: Planning and Transport Research and Computation.

Chicago

Planning and Transport Research and Computation, PTRC proceedings P375, . 1994. Environmental issues. PTRC European transport forum. 22nd summer annual meeting, University of Warwick, England, 12-16 September 1994. Seminar C. Proceedings. London: Planning and Transport Research and Computation.

Harvard

Planning and Transport Research and Computation, PTRC proceedings P375, . (1994). Environmental issues. PTRC European transport forum. 22nd summer annual meeting, University of Warwick, England, 12-16 September 1994. Seminar C. Proceedings. London: Planning and Transport Research and Computation.

MLA

Planning and Transport Research and Computation, PTRC proceedings P375, . Environmental issues. PTRC European transport forum. 22nd summer annual meeting, University of Warwick, England, 12-16 September 1994. Seminar C. Proceedings. London: Planning and Transport Research and Computation. 1994.