Marise CREMONA, Bruno DE WITTE (eds), EU Foreign Relations Law – Constitutional Fundamentals, Oxford/Portland (Or.), Hart, 2008, 3-15
DE WITTE, Bruno, Too Much Constitutional Law in the European Union’s Foreign Relations?, in Marise CREMONA, Bruno DE WITTE (eds), EU Foreign Relations Law – Constitutional Fundamentals, Oxford/Portland (Or.), Hart, 2008, 3-15
- https://hdl.handle.net/1814/9669