@book { DiePersonalkostenimFacheinzelhandel,
    title = "Die Personalkosten im Facheinzelhandel",
    subtitle = "Entwicklung – Relevanz – Anpassung",
    author = "Max {Wenzlitschke}",
    year = "2002",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093446"
}