Style de citation APA

International Telecommunication Union. (1979). What is ITU? Geneva: International Telecommunication Union.

Style de citation Chicago

International Telecommunication Union. What Is ITU? Geneva: International Telecommunication Union, 1979.

Style de citation MLA

International Telecommunication Union. What Is ITU? Geneva: International Telecommunication Union, 1979.

Attention : ces citations peuvent ne pas être correctes à 100%.