King, T. (2003). Security +: Training guide. London: Pearson Education.
Dyfyniad Arddull ChicagoKing, Todd. Security +: Training Guide. London: Pearson Education, 2003.
Dyfyniad MLAKing, Todd. Security +: Training Guide. London: Pearson Education, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.