APA

European Conference of Ministers of Transport, Economic Research Centre & Round Table on Transport Economics. (1990). Promoting regional transport. Paris, France: European Conference of Ministers of Transport.

Chicago

European Conference of Ministers of Transport, Economic Research Centre and Round Table on Transport Economics. 1990. Promoting regional transport. Paris, France: European Conference of Ministers of Transport.

Harvard

European Conference of Ministers of Transport, Economic Research Centre and Round Table on Transport Economics. (1990). Promoting regional transport. Paris, France: European Conference of Ministers of Transport.

MLA

European Conference of Ministers of Transport, Economic Research Centre and Round Table on Transport Economics. Promoting regional transport. Paris, France: European Conference of Ministers of Transport. 1990.