@book { NAFTARetrospectandprospect,
    title = "NAFTA - Retrospect and prospect",
    author = "Marion {Maguire}",
    year = "2004",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638241564",
    url = "https://www.hausarbeiten.de/document/20214"
}