Coates, R. F. W. (1985). Modern communication systems (2nd ed.). MacMillan.
Cita Chicago Style (17a ed.)Coates, R. F. W. Modern Communication Systems. 2nd ed. London: MacMillan, 1985.
Cita MLA (9a ed.)Coates, R. F. W. Modern Communication Systems. 2nd ed. MacMillan, 1985.
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