Commission of the European Communities. (2008). Progress report on the sustainable development strategy 2007: Communication from the Commission to the Council and the European Parliament. COM(2007) 642 Final. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων.
Παραπομπή Chicago StyleCommission of the European Communities. Progress Report On the Sustainable Development Strategy 2007: Communication From the Commission to the Council and the European Parliament. COM(2007) 642 Final. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 2008.
Παραπομπή MLACommission of the European Communities. Progress Report On the Sustainable Development Strategy 2007: Communication From the Commission to the Council and the European Parliament. COM(2007) 642 Final. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 2008.