@book { Britishforeignanddefensepolicy,
    title = "British foreign and defense policy",
    subtitle = "How does the relationship with the United States and the Commonwealth affect its point of view towards an ever increasing importance of the EU?",
    author = "Marc Nikolas {Liehr}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/223028"
}