@book { CorporateResponsibilityimTrend,
    title = "Corporate Responsibility im Trend",
    author = "Manfred {Rohm}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836639712",
    url = "https://m.diplom.de/document/227440"
}