Andrew GLENCROSS and Alexander H. TRECHSEL (eds), EU Federalism and Constitutionalism: The Legacy of Altiero Spinelli, Lanham MD, Lexington Books, 2010, 11-31
BARTOLINI, Stefano, Taking 'Constitutionalism' and 'Legitimacy' Seriously, in Andrew GLENCROSS and Alexander H. TRECHSEL (eds), EU Federalism and Constitutionalism: The Legacy of Altiero Spinelli, Lanham MD, Lexington Books, 2010, 11-31
- https://hdl.handle.net/1814/15336