APA (7th ed.) Zitazioa
Smart, N. Cryptography Made Simple. springer.
Chicago Style (17th ed.) Zitazioa
Smart, Nigel. Cryptography Made Simple. springer.
MLA (9th ed.) Zitazioa
Smart, Nigel. Cryptography Made Simple. springer.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.