Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. IDA: E-government services for living, working and moving across Europe. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. IDA: E-government Services for Living, Working and Moving Across Europe. Luxembourg: Office for Official Publications of the European Communities.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. IDA: E-government Services for Living, Working and Moving Across Europe. Office for Official Publications of the European Communities.