@book { Agenciesandpolicies,
    title = "Agencies and policies",
    subtitle = "The performance of bilateral donors in fighting corruption",
    author = "Christoph {Seidler}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/225635"
}