1. AD FIFA (2006)
2. Autonomous Agreement on Minimum Requirements for Standard Player contracts in the EU and UEFA territory (2012). http://ec.europa.eu/social/BlobServlet?docId=1617&langId=en . Accessed 30 Jan 2015
3. Blanpain R (2007) The European Union and employment law. In: Blanpain R (ed) Comparative labour law and industrial relations in industrialized market economies. Kluwer Law International, Alphen aan den Rijn, pp 163–188
4. Branco Martins R (2004) A European legal football match heading for extra time. Int Sports Law J 4(3–4):17–30
5. Branco Martins R (2009) Agenda for a social dialogue in the European professional football sector. In: Gardiner S, Parrish R, Siekmann RCR (eds) EU, sport, law and policy: regulation, re-regulation and representation. T.M.C. Asser Press, The Hague, pp 345–400