APA

European Conference of Ministers of Transport, ECMT, . (1991). Prospects for east-west European transport. International seminar, Paris, 6th-7th December 1990. Paris: European Conference of Ministers of Transport.

Chicago

European Conference of Ministers of Transport, ECMT, . 1991. Prospects for east-west European transport. International seminar, Paris, 6th-7th December 1990. Paris: European Conference of Ministers of Transport.

Harvard

European Conference of Ministers of Transport, ECMT, . (1991). Prospects for east-west European transport. International seminar, Paris, 6th-7th December 1990. Paris: European Conference of Ministers of Transport.

MLA

European Conference of Ministers of Transport, ECMT, . Prospects for east-west European transport. International seminar, Paris, 6th-7th December 1990. Paris: European Conference of Ministers of Transport. 1991.