@book { SkippingChristmasEinCEOzuWeihnachten,
    title = "Skipping Christmas: Ein CEO zu Weihnachten",
    author = "Daniela {Felbermayr}",
    year = "2023",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1415657"
}