Rowson, P. (2009). Successful Customer Service: Get Brilliant Results Fast. Crimson Publishing, Limited NBN International [Distributor].
Dyfyniad Arddull ChicagoRowson, Pauline. Successful Customer Service: Get Brilliant Results Fast. Richmond : Plymouth: Crimson Publishing, Limited NBN International [Distributor], 2009.
Dyfyniad MLARowson, Pauline. Successful Customer Service: Get Brilliant Results Fast. Crimson Publishing, Limited NBN International [Distributor], 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.