Robert B Walford. (1990). Network system architecture. Addison-Wesley Publishing.
Dyfyniad Arddull ChicagoRobert B Walford. Network System Architecture. Addison-Wesley Publishing, 1990.
Dyfyniad MLARobert B Walford. Network System Architecture. Addison-Wesley Publishing, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.