(1981). Summary of trade and tariff information: Electrical equipment for making, breaking, protecting, or connecting circuits : TSUS items 685.90 and 685.91 / prepared in terms of the Tariff Schedules of the United States.
Cita Chicago (17th ed.)Summary of Trade and Tariff Information: Electrical Equipment for Making, Breaking, Protecting, or Connecting Circuits : TSUS Items 685.90 and 685.91 / Prepared in Terms of the Tariff Schedules of the United States. 1981.
Cita MLA (9th ed.)Summary of Trade and Tariff Information: Electrical Equipment for Making, Breaking, Protecting, or Connecting Circuits : TSUS Items 685.90 and 685.91 / Prepared in Terms of the Tariff Schedules of the United States. 1981.
Atenció: Aquestes cites poden no estar 100% correctes.