@book { PakistanAyoungcountrywithmanyleadersDidtheyallfail,
    title = "Pakistan - A young country with many leaders. Did they all fail?",
    author = "Anna {Lippert}",
    year = "2007",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638588218",
    url = "https://www.hausarbeiten.de/document/66055"
}