Não informado. (1983). IT Focus. Institution of Electrical Engineers.
Style de citation Chicago (17e éd.)Não informado. IT Focus. Hitchin, Inglaterra: Institution of Electrical Engineers, 1983.
Style de citation MLA (8e éd.)Não informado. IT Focus. Institution of Electrical Engineers, 1983.
Attention : ces citations peuvent ne pas être correctes à 100%.