APA-viite (7. p.)
European Conference of Ministers of Transport & ProQuest (Firm). (2006). Trends in the transport sector, 1970-2004. ECMT.
Chicago-viite (17. p.)
European Conference of Ministers of Transport ja ProQuest (Firm). Trends in the Transport Sector, 1970-2004. Paris: ECMT, 2006.
MLA-viite (9. p.)
European Conference of Ministers of Transport ja ProQuest (Firm). Trends in the Transport Sector, 1970-2004. ECMT, 2006.
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