NATO hymn?. Brussels: North Atlantic Treaty Organization. [2023-04-13]. (原始内容存档于2022-09-22). Ceremonies to mark the 40th anniversary of the North Atlantic
ISBN 0-19-925608-X. 引文格式1维护:冗余文本 (link) Article 7 of the Single European Act amending Article 7 of the Treaty establishing the European Economic Community