Sherif, M. H. (2004). Protocols for secure electronic commerce. CRC Press.
Dyfyniad Arddull ChicagoSherif, Mostafa Hashem. Protocols for Secure Electronic Commerce. CRC Press, 2004.
Dyfyniad MLASherif, Mostafa Hashem. Protocols for Secure Electronic Commerce. CRC Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.