@book { FhrungsinstrumenteimEhrenamtAnforderungenundMglichkeiten,
    title = "Führungsinstrumente im Ehrenamt: Anforderungen und Möglichkeiten",
    author = "Lars {Meyer}",
    year = "2012",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/296496"
}