@book { ProjektskizzeSozialeArbeitundMigration,
    title = "Projektskizze Soziale Arbeit und Migration",
    author = "Birsen {Krüger}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656278290",
    url = "https://www.hausarbeiten.de/document/200840"
}