@book { MigrationundkulturelleDiversitt,
    title = "Migration und kulturelle Diversität",
    author = "Metin {Toprak} and Ali Osman {Öztürk}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04615-1",
    url = "https://www.peterlang.com/document/1048466"
}