@book { WertorientierteBerichterstattungValueReporting,
    title = "Wertorientierte Berichterstattung (Value Reporting)",
    author = "Jürgen {Banzhaf}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101192"
}