Carroll, N. R. (2010). The Communication Problem Solver. AMACOM.
Dyfyniad Arddull ChicagoCarroll, Nannette Rundle. The Communication Problem Solver. Newyork: AMACOM, 2010.
Dyfyniad MLACarroll, Nannette Rundle. The Communication Problem Solver. AMACOM, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.