International Telegraph and Telephone Consultative Committee & International Telecommunication Union. (1964). National telephone networks for the automatic service: IIIrd Plenary Assembly, Geneva, 1964. International Telecommunication Union.
Chicago-Zitierstil (17. Ausg.)International Telegraph and Telephone Consultative Committee und International Telecommunication Union. National Telephone Networks for the Automatic Service: IIIrd Plenary Assembly, Geneva, 1964. Geneva: International Telecommunication Union, 1964.
MLA-Zitierstil (8. Ausg.)International Telegraph and Telephone Consultative Committee und International Telecommunication Union. National Telephone Networks for the Automatic Service: IIIrd Plenary Assembly, Geneva, 1964. International Telecommunication Union, 1964.