APA
European Conference of Ministers of Transport, ECMT & Round Table Conference 89. (1993). Short sea shipping. Paris: European Conference of Ministers of Transport.
Chicago
European Conference of Ministers of Transport, ECMT and Round Table Conference 89. 1993. Short sea shipping. Paris: European Conference of Ministers of Transport.
Harvard
European Conference of Ministers of Transport, ECMT and Round Table Conference 89. (1993). Short sea shipping. Paris: European Conference of Ministers of Transport.
MLA
European Conference of Ministers of Transport, ECMT and Round Table Conference 89. Short sea shipping. Paris: European Conference of Ministers of Transport. 1993.