APA

European Conference of Ministers of Transport, . (1973). Promotion of urban public transport. Paris: European Conference of Ministers of Transport [ECMT].

Chicago

European Conference of Ministers of Transport, . 1973. Promotion of urban public transport. Paris: European Conference of Ministers of Transport [ECMT].

Harvard

European Conference of Ministers of Transport, . (1973). Promotion of urban public transport. Paris: European Conference of Ministers of Transport [ECMT].

MLA

European Conference of Ministers of Transport, . Promotion of urban public transport. Paris: European Conference of Ministers of Transport [ECMT]. 1973.