@book { ZuversichtDieneueFhrungskraft,
    title = "Zuversicht - Die neue Führungskraft",
    subtitle = "Wie Führung in unsicheren Zeiten gelingt",
    author = "Vera {Starker} and Katharina {Roos}",
    year = "2025",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1593126"
}