@book { RethinkingEuropeanUnionInAChangingWorld,
    title = "Rethinking European Union In A Changing World",
    author = "Ömer {UĞUR}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17546",
    url = "https://www.peterlang.com/document/1111562"
}