Andrews, P. H. (1995). Communication for business and the professions. Madison: William C. Brown.
Dyfyniad Arddull ChicagoAndrews, Patricia Hayes. Communication for Business and the Professions. Madison: William C. Brown, 1995.
Dyfyniad MLAAndrews, Patricia Hayes. Communication for Business and the Professions. Madison: William C. Brown, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.