European Commission (Directorate-General for Economic and Financial Affairs, Brussels). (2007). Steps towards a deeper economic integration: the internal market in the 21st century: European Economy. Economic Papers. No. 271. January 2007. [s.n.].
Citace podle Chicago (17th ed.)European Commission (Directorate-General for Economic and Financial Affairs, Brussels). Steps Towards a Deeper Economic Integration: The Internal Market in the 21st Century: European Economy. Economic Papers. No. 271. January 2007. Brussels: [s.n.], 2007.
Citace podle MLA (9th ed.)European Commission (Directorate-General for Economic and Financial Affairs, Brussels). Steps Towards a Deeper Economic Integration: The Internal Market in the 21st Century: European Economy. Economic Papers. No. 271. January 2007. [s.n.], 2007.