1. Parliament of the United Kingdom: Television Act 1954 (1954)
2. European Court of Justice: Judgement of the Court of Justice, Saachi, Case 155/73, 155-73 (1974). https://bit.ly/2lSIket
3. European Commission: Communication from the Commission – Services of general interest in Europe (2001). https://bit.ly/2kP00aD
4. Protocol to the Amsterdam Treaty on public service broadcasting (1997). http://data.europa.eu/eli/treaty/ams/pro_9/sign
5. European Commission: Communication from the Commission on the application of State aid rules to public service (2001). https://bit.ly/2kLwiDl