Fisher, J. E. (1994). Telephone skills at work. Business One Irwin/Mirror Press.
Cita Chicago Style (17a ed.)Fisher, Judith E. Telephone Skills at Work. Burr Ridge, Ill.: Business One Irwin/Mirror Press, 1994.
Cita MLA (8a ed.)Fisher, Judith E. Telephone Skills at Work. Business One Irwin/Mirror Press, 1994.
Precaución: Estas citas no son 100% exactas.