(1989). Public policy implications of advanced telecommunication systems: Subcommittee on telecommunications and finance of the committee on energy and commerce. Washington: U.S. Government Printing Office.
Chicago-tyylinen lähdeviittausPublic Policy Implications of Advanced Telecommunication Systems: Subcommittee On Telecommunications and Finance of the Committee On Energy and Commerce. Washington: U.S. Government Printing Office, 1989.
MLA-viitePublic Policy Implications of Advanced Telecommunication Systems: Subcommittee On Telecommunications and Finance of the Committee On Energy and Commerce. Washington: U.S. Government Printing Office, 1989.
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