APA
Internationale Fernmelde-Union, . (19). Documents of the plenary assembly / International Radio Consultative Committee, C.C.I.R., International Telecommunication Union. Geneva: International Telecommunication Union.
Chicago
Internationale Fernmelde-Union, . 19. Documents of the plenary assembly / International Radio Consultative Committee, C.C.I.R., International Telecommunication Union. Geneva: International Telecommunication Union.
Harvard
Internationale Fernmelde-Union, . (19). Documents of the plenary assembly / International Radio Consultative Committee, C.C.I.R., International Telecommunication Union. Geneva: International Telecommunication Union.
MLA
Internationale Fernmelde-Union, . Documents of the plenary assembly / International Radio Consultative Committee, C.C.I.R., International Telecommunication Union. Geneva: International Telecommunication Union. 19.