Sherif, M. H. (2000). Protocols for secure electronic commerce. CRC Press.
Chicago Style aipamenaSherif, Mostafa Hashem. Protocols for Secure Electronic Commerce. New York: CRC Press, 2000.
MLA aipamenaSherif, Mostafa Hashem. Protocols for Secure Electronic Commerce. CRC Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.