@book { FreeTradeDebate,
    title = "Free Trade Debate",
    author = "Kim H. {Bui}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656341031",
    url = "https://www.hausarbeiten.de/document/207044"
}