"RTL Group S.A."Registre de Commerce et des Sociétés (in French, English, and German). Archived from the original on 2 July 2020. Retrieved 15 June 2020.
"RTL Group S.A."Registre de Commerce et des Sociétés (in French, English, and German). Archived from the original on 2 July 2020. Retrieved 15 June 2020.