@book { MiddlePowersinInternationalRelationsARealistEvolution,
    title = "Middle Powers in International Relations. A Realist Evolution",
    author = "Arda Can {Çelik}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/274195"
}