APA-Zitierstil (7. Ausg.)

International Telegraph and Telephone Consultative Committee. Plenary Assembly & International Telecommunication Union. (1985). Data communication networks: Message handling systems : recommendations X.400-X.430. International Telecommunication Union.

Chicago-Zitierstil (17. Ausg.)

International Telegraph and Telephone Consultative Committee. Plenary Assembly und International Telecommunication Union. Data Communication Networks: Message Handling Systems : Recommendations X.400-X.430. Geneva: International Telecommunication Union, 1985.

MLA-Zitierstil (8. Ausg.)

International Telegraph and Telephone Consultative Committee. Plenary Assembly und International Telecommunication Union. Data Communication Networks: Message Handling Systems : Recommendations X.400-X.430. International Telecommunication Union, 1985.