Kirchhof, P. (2007). The legal structure of the European Union as a union of states. Principles of European constitutional law.
Chicago-Zitierstil (17. Ausg.)Kirchhof, Paul. "The Legal Structure of the European Union as a Union of States." Principles of European Constitutional Law 2007.
MLA-Zitierstil (9. Ausg.)Kirchhof, Paul. "The Legal Structure of the European Union as a Union of States." Principles of European Constitutional Law, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.