Kalakota Ravi, R. (2009). e - Business 2.0 (2nd.). Pearson Education.
Chicago-čujuhus (17. p.)Kalakota Ravi, Robinson. E - Business 2.0. 2nd. New Delhi: Pearson Education, 2009.
MLA-čujuhus (9. p.)Kalakota Ravi, Robinson. E - Business 2.0. 2nd. Pearson Education, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.