Dyfyniad APA

(1998). Call centre systems & technologies. Auscom Publishing.

Dyfyniad Arddull Chicago

Call Centre Systems & Technologies. [Sydney: Auscom Publishing, 1998.

Dyfyniad MLA

Call Centre Systems & Technologies. Auscom Publishing, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.