APA aipamena

 Ferguson, N. (2003).  Practical cryptography.  Wiley.

Chicago Style aipamena

 Ferguson, Niels.  Practical Cryptography.  Wiley, 2003.

MLA aipamena

 Ferguson, Niels.  Practical Cryptography.  Wiley, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.