APA

European Conference of Ministers of Transport, . (1974). European rules concerning road traffic, signs and signals. Paris: European Conference of Ministers of Transport.

Chicago

European Conference of Ministers of Transport, . 1974. European rules concerning road traffic, signs and signals. Paris: European Conference of Ministers of Transport.

Harvard

European Conference of Ministers of Transport, . (1974). European rules concerning road traffic, signs and signals. Paris: European Conference of Ministers of Transport.

MLA

European Conference of Ministers of Transport, . European rules concerning road traffic, signs and signals. Paris: European Conference of Ministers of Transport. 1974.