Treece, M. (1994). Successful communication for business and the professions (6th ed.). Allyn and Bacon.
Dyfyniad Arddull ChicagoTreece, Malra. Successful Communication for Business and the Professions. 6th ed. Boston: Allyn and Bacon, 1994.
Dyfyniad MLATreece, Malra. Successful Communication for Business and the Professions. 6th ed. Allyn and Bacon, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.