Baugh, L. S. (1994). Handbook for business writing. NTC Business.
Dyfyniad Arddull ChicagoBaugh, L. Sue. Handbook for Business Writing. NTC Business, 1994.
Dyfyniad MLABaugh, L. Sue. Handbook for Business Writing. NTC Business, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.