@book { TurkeyQatarandtheevolutionofsoftpowerinachangingMiddleEast,
    title = "Turkey, Qatar and the evolution of soft power in a changing Middle East",
    author = "Constantin {Wiegand}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/283838"
}