@book { StrategischesCorporateCitizenshipManagement,
    title = "Strategisches Corporate-Citizenship-Management",
    author = "Miriam {Schuller}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836628488",
    url = "https://m.diplom.de/document/226724"
}