(2004). IDA: E-government services for living, working and moving across Europe ([1st ed.].). European Commission.
Chicago-Zitierstil (17. Ausg.)IDA: E-government Services for Living, Working and Moving Across Europe. [1st ed.]. Brussels: European Commission, 2004.
MLA-Zitierstil (9. Ausg.)IDA: E-government Services for Living, Working and Moving Across Europe. [1st ed.]. European Commission, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.