@book { LanguageRightsoftheCitizenoftheEuropeanUnion,
    title = "Language Rights of the Citizen of the European Union",
    author = "Aneta {Skorupa-Wulczyńska}",
    year = "2022",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b19887",
    url = "https://www.peterlang.com/document/1263933"
}