Verma, S. (2007). Dynamics of electronic commerce. Deep & Deep Publications.
Dyfyniad Arddull ChicagoVerma, S. Dynamics of Electronic Commerce. New Delhi: Deep & Deep Publications, 2007.
Dyfyniad MLAVerma, S. Dynamics of Electronic Commerce. Deep & Deep Publications, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.