Joakim NERGELIUS (ed), Ulf BERNITZ (ed), The General Principles of EC Law , The Hague, Kluwer law international , 2000
DE BURCA, Grainne, Subsidiarity and Proportionality as General Principles of Law, in Joakim NERGELIUS (ed), Ulf BERNITZ (ed), The General Principles of EC Law , The Hague, Kluwer law international , 2000
- https://hdl.handle.net/1814/3726