@book { NannyBellsEinKindermdchenuntermWeihnachtsbaum,
    title = "Nanny Bells - Ein Kindermädchen unterm Weihnachtsbaum",
    author = "Karin {Lindberg}",
    year = "2022",
    publisher = "Karin Lindberg",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1272635"
}