Kalakota, R. (2006). Frontiers of electronic commerce. Pearson.
Chicago Style aipamenaKalakota, Ravi. Frontiers of Electronic Commerce. New Delhi: Pearson, 2006.
MLA aipamenaKalakota, Ravi. Frontiers of Electronic Commerce. Pearson, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.