Dyfyniad APA

Graff, J. C. (2001). Cryptography and E-Commerce. Wiley.

Dyfyniad Arddull Chicago

Graff, Jon C. Cryptography and E-Commerce. New York: Wiley, 2001.

Dyfyniad MLA

Graff, Jon C. Cryptography and E-Commerce. Wiley, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.