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Dyfyniad Arddull ChicagoKennedy, George. Electronic Communication Systems. 4th ed. New Delhi: Tata McGraw-Hill, 1999.
Dyfyniad MLAKennedy, George. Electronic Communication Systems. 4th ed. Tata McGraw-Hill, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.