Gaya APA

Union, G, S, O, T, I, T. (1973). International Telecommunication Convention . geneva: General Secretariat of the International Telecommunication Union.

Gaya MLA

Union, General, Secretariat, Of, The, International, Telecommunication. "International Telecommunication Convention". geneva: General Secretariat of the International Telecommunication Union, 1973. Referensi.