@book { DerBegriffderIntegrationaussoziologischerPerspektive,
    title = "Der Begriff der Integration aus soziologischer Perspektive",
    author = "Sebastian {Kuschel}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640963553",
    url = "https://www.hausarbeiten.de/document/175417"
}