@book { DasMangoldUrteildesEuropischenGerichtshofs,
    title = "Das Mangold-Urteil des Europäischen Gerichtshofs ",
    author = "Siegfried {Schwab}",
    year = "2010",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640763702",
    url = "https://www.hausarbeiten.de/document/162267"
}