(2004). Study of the financing of and public budget contributions to railways: A Final Report for European Commission,DG TREN. National Economic Research Associates.
Chicago-Zitierstil (17. Ausg.)Study of the Financing of and Public Budget Contributions to Railways: A Final Report for European Commission,DG TREN. London: National Economic Research Associates, 2004.
MLA-Zitierstil (9. Ausg.)Study of the Financing of and Public Budget Contributions to Railways: A Final Report for European Commission,DG TREN. National Economic Research Associates, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.