tanlov. „Winners of the Eurovision Song Contest“ (deadlink). European Broadcasting Union. 28-may 2008-yilda asl nusxadan arxivlangan. Qaraldi: 26-dekabr
„The Schengen Area“. European Commission. Qaraldi: 15-sentabr 2011-yil. „Liechtenstein to join Schengen“. Council of the EuropeanUnion (2011). 16-aprel 2012-yilda
are the 37 countries competing in Liverpool“. Eurovision.tv. European Broadcasting Union (EBU) (2022-yil 20-oktyabr). Qaraldi: 2022-yil 20-oktyabr. „Participants
treaty establishing a „EuropeanUnion“ CVCE The Treaty on EuropeanUnion — Current consolidated versions of the Treaty on EuropeanUnion and the Treaty on