Citazione Stile APA (7a Edizione)

CCITT & International Telegraph and Telephone Consultative Committee. (1981). VIIth Plenary Assembly. International Telecommunication Union.

Citazione stile Chigago Style (17a edizione)

CCITT e International Telegraph and Telephone Consultative Committee. VIIth Plenary Assembly. Ginebra: International Telecommunication Union, 1981.

Citatione MLA (9a ed.)

CCITT e International Telegraph and Telephone Consultative Committee. VIIth Plenary Assembly. International Telecommunication Union, 1981.