(2003). 2000 combined census of motor traffic and inventory of standards and parameters on main international traffic arteries in Europe. United Nations.
Chicago-Zitierstil (17. Ausg.)2000 Combined Census of Motor Traffic and Inventory of Standards and Parameters on Main International Traffic Arteries in Europe. Geneva: United Nations, 2003.
MLA-Zitierstil (9. Ausg.)2000 Combined Census of Motor Traffic and Inventory of Standards and Parameters on Main International Traffic Arteries in Europe. United Nations, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.