@book { CorporateIdentityvonWohnungsgenossenschaften,
    title = "Corporate Identity von Wohnungsgenossenschaften",
    author = "Marko {Biermann}",
    year = "2000",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832420444",
    url = "https://m.diplom.de/document/217474"
}