Goh, D. (1997). Start selling stop order taking. Sterling.
Dyfyniad Arddull ChicagoGoh, David. Start Selling Stop Order Taking. New Delhi: Sterling, 1997.
Dyfyniad MLAGoh, David. Start Selling Stop Order Taking. Sterling, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.