(2008). Pre-commercial procurement: Driving innovation to ensure high quality public services in Europe. Office for Official Publ. of the European Communities.
Chicago-Zitierstil (17. Ausg.)Pre-commercial Procurement: Driving Innovation to Ensure High Quality Public Services in Europe. Luxembourg: Office for Official Publ. of the European Communities, 2008.
MLA-Zitierstil (9. Ausg.)Pre-commercial Procurement: Driving Innovation to Ensure High Quality Public Services in Europe. Office for Official Publ. of the European Communities, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.