Smith, P. R., & Chaffey, D. (2003). Emarketing excellence: The heart of eBusiness. Butterworth.
Dyfyniad Arddull ChicagoSmith, P. R., and Dave Chaffey. Emarketing Excellence: The Heart of EBusiness. Oxford: Butterworth, 2003.
Dyfyniad MLASmith, P. R., and Dave Chaffey. Emarketing Excellence: The Heart of EBusiness. Butterworth, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.