(1997). Improved structure and organization for urban transport operations of passengers in Europe: Isotope. Office for Official Publ. of the Europ. Communities.
Chicago-Zitierstil (17. Ausg.)Improved Structure and Organization for Urban Transport Operations of Passengers in Europe: Isotope. Luxembourg: Office for Official Publ. of the Europ. Communities, 1997.
MLA-Zitierstil (9. Ausg.)Improved Structure and Organization for Urban Transport Operations of Passengers in Europe: Isotope. Office for Official Publ. of the Europ. Communities, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.