[3] Compliance with Electricity Regulation 1228/2003 – An ERGEG Monitoring Report , Ref. E07-EFG-23-06, 18. Juli 2007; Regulation 1228/2003 Compliance Monitoring.
[3] Compliance with Electricity Regulation 1228/2003 – An ERGEG Monitoring Report, ref. E07-EFG-23-06 van 18 juli 2007; Verordening (EG) nr. 1228/2003: monitoring van de overeenstemming.