@book { Unternehmensfhrung,
    title = "Unternehmensführung",
    subtitle = "Erfolgreich durch modernes Management & Leadership: Methoden, Umsetzung, Trends",
    author = "Roman {Stoi} and Ralf {Dillerup}",
    year = "2022",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1256699"
}