APA

European Conference of Ministers of Transport, ECMT. Round Table Conference 88, . (1992). Structural changes in population and impact on passenger transport. Report of the eighty-eighth round table on transport economics held in Paris on 13th-14th June 1991. Paris: European Conference of Ministers of Transport.

Chicago

European Conference of Ministers of Transport, ECMT. Round Table Conference 88, . 1992. Structural changes in population and impact on passenger transport. Report of the eighty-eighth round table on transport economics held in Paris on 13th-14th June 1991. Paris: European Conference of Ministers of Transport.

Harvard

European Conference of Ministers of Transport, ECMT. Round Table Conference 88, . (1992). Structural changes in population and impact on passenger transport. Report of the eighty-eighth round table on transport economics held in Paris on 13th-14th June 1991. Paris: European Conference of Ministers of Transport.

MLA

European Conference of Ministers of Transport, ECMT. Round Table Conference 88, . Structural changes in population and impact on passenger transport. Report of the eighty-eighth round table on transport economics held in Paris on 13th-14th June 1991. Paris: European Conference of Ministers of Transport. 1992.