Hopkins, T. (1995). Selling for dummies. Comdex computer pubkishing.
Dyfyniad Arddull ChicagoHopkins, Tom. Selling for Dummies. New Delhi: Comdex computer pubkishing, 1995.
Dyfyniad MLAHopkins, Tom. Selling for Dummies. Comdex computer pubkishing, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.