Não informado. (1953). Communication engineering. [s.n.].
Style de citation Chicago (17e éd.)Não informado. Communication Engineering. Great Barrington, Mass: [s.n.], 1953.
Style de citation MLA (8e éd.)Não informado. Communication Engineering. [s.n.], 1953.
Attention : ces citations peuvent ne pas être correctes à 100%.