1. Eurostat. (2017). Residence Permit Statistics. Retrieved December 28, 2017, from http://ec.europa.eu/eurostat/statistics-explained/index.php/Residence_permits_statistics
2. Adams, M., De Waele, H., Meeusen, J., & Straetmans, G. (2013). Judging Europe’s Judges: The Legitimacy of the Case Law of the European Court of Justice. Oxford: Hart Publishing.
3. Alter, K. (1998). Who are the Masters of the Treaty? European Governments and the European Court of Justice. International Organization, 25(1), 125–152.
4. Alter, K. (2008). Agents or Trustees? International Courts in Their Political Context. European Journal of International Relations, 14(1), 33–63.
5. Blauberger, M. (2012). With Luxembourg in Mind…The Remaking of National Policies in the Face of ECJ Jurisprudence. Journal of European Public Policy, 19(1), 109–126.