Steven Brown. (2000). Implementing virtual private networks. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoSteven Brown. Implementing Virtual Private Networks. New York: McGraw-Hill, 2000.
Dyfyniad MLASteven Brown. Implementing Virtual Private Networks. New York: McGraw-Hill, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.