@book { ChancenundRisikenexternerVerwaltungsberatung,
    title = "Chancen und Risiken externer Verwaltungsberatung",
    author = "Nina {Feldbusch}",
    year = "2022",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/1288713"
}