APA
Planning and Transport Research and Computation, PTRC proceedings P347, . (1991). European transport, highways and planning. Seminar G. London: Planning and Transport Research and Computation.
Chicago
Planning and Transport Research and Computation, PTRC proceedings P347, . 1991. European transport, highways and planning. Seminar G. London: Planning and Transport Research and Computation.
Harvard
Planning and Transport Research and Computation, PTRC proceedings P347, . (1991). European transport, highways and planning. Seminar G. London: Planning and Transport Research and Computation.
MLA
Planning and Transport Research and Computation, PTRC proceedings P347, . European transport, highways and planning. Seminar G. London: Planning and Transport Research and Computation. 1991.