@book { LEVELUP,
    title = "LEVEL UP!",
    subtitle = "Wie du dein Team auf das nächste Level führst",
    author = "Miriam {Sasse} and Miriam {Sasse}",
    year = "2026",
    publisher = "C.H.Beck",
    address = ", Deutschland",
    url = "https://vahlen.openpublishing.com/document/1743325"
}