International telecommunication union. (1979). Eighteenth report by the International telecommunication union on telecommunication and the peaceful uses of outer space. Geneva: International telecommunication union.
Citação norma ChicagoInternational telecommunication union. Eighteenth Report By the International Telecommunication Union On Telecommunication and the Peaceful Uses of Outer Space. Geneva: International telecommunication union, 1979.
Citação norma MLAInternational telecommunication union. Eighteenth Report By the International Telecommunication Union On Telecommunication and the Peaceful Uses of Outer Space. Geneva: International telecommunication union, 1979.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.