International Telecommunication Union. (1976). Telecommunications, economic studies: Economic studies at the national level in the field of telecommunications (1973-1976) : GAS 5 manual, edition 1976. The Union.
Chicago Style (17th ed.) CitationInternational Telecommunication Union. Telecommunications, Economic Studies: Economic Studies at the National Level in the Field of Telecommunications (1973-1976) : GAS 5 Manual, Edition 1976. Geneva: The Union, 1976.
MLA (9th ed.) CitationInternational Telecommunication Union. Telecommunications, Economic Studies: Economic Studies at the National Level in the Field of Telecommunications (1973-1976) : GAS 5 Manual, Edition 1976. The Union, 1976.
Warning: These citations may not always be 100% accurate.