Não informado. (2003). Electrical Communication. International Telephone and Telegraph Corporation.
Style de citation Chicago (17e éd.)Não informado. Electrical Communication. New York: International Telephone and Telegraph Corporation, 2003.
Style de citation MLA (8e éd.)Não informado. Electrical Communication. International Telephone and Telegraph Corporation, 2003.
Attention : ces citations peuvent ne pas être correctes à 100%.