Sukhija, P. (2010). E-Commerce: Opportunities & Challenges.
Chicago-čujuhus (17. p.)Sukhija, Piyush. E-Commerce: Opportunities & Challenges. [s.l], 2010.
MLA-čujuhus (9. p.)Sukhija, Piyush. E-Commerce: Opportunities & Challenges. 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.