Cita APA (7th ed.)
European Conference of Ministers of Transport. (1999). Trends in the transport sector, 1970-1997. ECMT.
Cita Chicago (17th ed.)
European Conference of Ministers of Transport. Trends in the Transport Sector, 1970-1997. Paris, France: ECMT, 1999.
Cita MLA (9th ed.)
European Conference of Ministers of Transport. Trends in the Transport Sector, 1970-1997. ECMT, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.