Baumer, D. (2002). Cyberlaw and E-commerce. Mc Graw- Hill.
Chicago Style aipamenaBaumer, David. Cyberlaw and E-commerce. Boston: Mc Graw- Hill, 2002.
MLA aipamenaBaumer, David. Cyberlaw and E-commerce. Mc Graw- Hill, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.