Kalakota, R. (2009). Frontiers of electronic commerce, 2009. Pearson Education.
Chicago-čujuhus (17. p.)Kalakota, Ravi. Frontiers of Electronic Commerce, 2009. New Delhi: Pearson Education, 2009.
MLA-čujuhus (9. p.)Kalakota, Ravi. Frontiers of Electronic Commerce, 2009. Pearson Education, 2009.
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