@book { FairTradeeinInstrumentderCSR,
    title = "Fair Trade - ein Instrument der CSR?",
    author = "Josefine {Becker}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836644754",
    url = "https://m.diplom.de/document/227702"
}