Piper, F. C. 1., & Murphy, S. (2002). Cryptography: A very short introduction. Oxford ; New York: Oxford University Press.
Dyfyniad Arddull ChicagoPiper, F. C. 1940-, và Sean Murphy. Cryptography: A Very Short Introduction. Oxford ; New York: Oxford University Press, 2002.
Dyfyniad MLAPiper, F. C. 1940-, và Sean Murphy. Cryptography: A Very Short Introduction. Oxford ; New York: Oxford University Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.