(2009). Communication systems. PHI.
Dyfyniad Arddull ChicagoCommunication Systems. New Delhi: PHI, 2009.
Dyfyniad MLACommunication Systems. PHI, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
(2009). Communication systems. PHI.
Dyfyniad Arddull ChicagoCommunication Systems. New Delhi: PHI, 2009.
Dyfyniad MLACommunication Systems. PHI, 2009.