APA

Planning and Transport Research and Computation, PTRC proceedings P400, . (1995). Geographic information systems. PTRC 23rd European Transport Forum. University of Warwick, England, 11-15 September, 1995. Seminar N. Proceedings. London: Planning and Transport Research and Computation.

Chicago

Planning and Transport Research and Computation, PTRC proceedings P400, . 1995. Geographic information systems. PTRC 23rd European Transport Forum. University of Warwick, England, 11-15 September, 1995. Seminar N. Proceedings. London: Planning and Transport Research and Computation.

Harvard

Planning and Transport Research and Computation, PTRC proceedings P400, . (1995). Geographic information systems. PTRC 23rd European Transport Forum. University of Warwick, England, 11-15 September, 1995. Seminar N. Proceedings. London: Planning and Transport Research and Computation.

MLA

Planning and Transport Research and Computation, PTRC proceedings P400, . Geographic information systems. PTRC 23rd European Transport Forum. University of Warwick, England, 11-15 September, 1995. Seminar N. Proceedings. London: Planning and Transport Research and Computation. 1995.