@book { HowjustifiableishighCEOpayintheUnitedStates,
    title = "How justifiable is high CEO pay in the United States?",
    author = "Christoph {Kotsch}",
    year = "2016",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/345072"
}