Bones, R. A. (1970). Dictionary of telecommunications. Newnes-Butterworths.
Lua i Stíl Chicago (17ú heag.)Bones, R. A. Dictionary of Telecommunications. London: Newnes-Butterworths, 1970.
Lua MLA (9ú heag.)Bones, R. A. Dictionary of Telecommunications. Newnes-Butterworths, 1970.
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