Singh, T. J. (2012). E -business and information technology.
Dyfyniad Arddull ChicagoSingh, Tejmani; Jain. E -business and Information Technology. RBSA Publishers, Jaipur, 2012.
Dyfyniad MLASingh, Tejmani; Jain. E -business and Information Technology. 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.