@book { TheUSServiceSectorInternationalTradeofServicesandtheInformationandCommunicationTechnologyICT,
    title = "The U.S. Service Sector - International Trade of Services and the Information and Communication Technology (ICT)",
    author = "Carsten {Reuter}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638463874",
    url = "https://www.hausarbeiten.de/document/50089"
}