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Dyfyniad Arddull ChicagoJanevski, Toni. NGN Architectures, Protocols and Services. Chichester, England: Wiley, 2014.
Dyfyniad MLAJanevski, Toni. NGN Architectures, Protocols and Services. Wiley, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.