@book { KinderleichtinsGesprchkommen,
    title = "Kinderleicht ins Gespräch kommen",
    author = "Michele {Liussi}",
    year = "2023",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/1390751"
}