APA (7e ed.) Bronvermelding

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 (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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