Dyfyniad APA

 Ford, W. (2001).  Secure electronic commerce: Building the infrastructure for digital signatures and encryption.  Prentice Hall PTR.

Dyfyniad Arddull Chicago

 Ford, Warwick.  Secure Electronic Commerce: Building the Infrastructure for Digital Signatures and Encryption.  Prentice Hall PTR, 2001.

Dyfyniad MLA

 Ford, Warwick.  Secure Electronic Commerce: Building the Infrastructure for Digital Signatures and Encryption.  Prentice Hall PTR, 2001.

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