Mostafa Hashem Sherif. (2004). Protocols for secure electronic commerce (2nd ed.). CRC Press.
Chicago Style aipamenaMostafa Hashem Sherif. Protocols for Secure Electronic Commerce. 2nd ed. Boca Raton, FL: CRC Press, 2004.
MLA aipamenaMostafa Hashem Sherif. Protocols for Secure Electronic Commerce. 2nd ed. CRC Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.