1. Barendt, Eric, An Introduction to Constitutional Law (Oxford, 1998)
2. Stirn, B., Le Conseil d'Etat, son rôle, sa jurisprudence, 2nd edn (Paris, 1994)
3. Fisher, Howard A., The German Legal System and Legal Language, 2nd edn (London and Sidney, 1999)
4. Badura, Peter, Staatsrecht (Munich, 1986)
5. Wade, H. W. R., and C. F. Forsyth, Administrative Law, 8th edn (Oxford, 2000)