Não informado. (2017). Bulletin of the European Union. European Commission.
Chicago (17e ed.) BronvermeldingNão informado. Bulletin of the European Union. Luxembourg: European Commission, 2017.
MLA (8e ed.) BronvermeldingNão informado. Bulletin of the European Union. European Commission, 2017.
Let op: Deze citaties zijn niet altijd 100% accuraat.