@book { EthnoMarketingimSozialwesen,
    title = "Ethno-Marketing im Sozialwesen",
    author = "Alexandra {Sassy, geb.Dilong}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836613279",
    url = "https://m.diplom.de/document/225799"
}