(1993). Global competitiveness of U.S. advanced-technology industries: Cellular communications. Washington.
Chicago Style aipamenaGlobal Competitiveness of U.S. Advanced-technology Industries: Cellular Communications. Washington, 1993.
MLA aipamenaGlobal Competitiveness of U.S. Advanced-technology Industries: Cellular Communications. Washington, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.