(1993). Global competitiveness of U.S. advanced-technology industries: Cellular communications. Washington.
Trích dẫn kiểu ChicagoGlobal Competitiveness of U.S. Advanced-technology Industries: Cellular Communications. Washington, 1993.
Trích dẫn MLAGlobal Competitiveness of U.S. Advanced-technology Industries: Cellular Communications. Washington, 1993.
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