European Commission. (1997). 80/723/EEC: Commission Directive of 25 June 1980 on the transparency of financial relations between member states and public undertakings: 11 languanges. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων.
Παραπομπή Chicago StyleEuropean Commission. 80/723/EEC: Commission Directive of 25 June 1980 On the Transparency of Financial Relations between Member States and Public Undertakings: 11 Languanges. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 1997.
Παραπομπή MLAEuropean Commission. 80/723/EEC: Commission Directive of 25 June 1980 On the Transparency of Financial Relations between Member States and Public Undertakings: 11 Languanges. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 1997.