@book { Kndigungsschutzrecht,
    title = "Kündigungsschutzrecht",
    author = "Yvonne {Kasten}",
    year = "2003",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638169110",
    url = "https://www.hausarbeiten.de/document/10510"
}