@book { DiePrivatisierungdesMilitrsDasBeispielBlackwater,
    title = "Die Privatisierung des Militärs: Das Beispiel Blackwater",
    author = "Jochen {Kosel}",
    year = "2015",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/296699"
}