@book { CorporateSocialResponsibility,
    title = "Corporate Social Responsibility",
    author = "Jürgen {Mayer}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656348450",
    url = "https://www.hausarbeiten.de/document/207559"
}