Fisher, J. E. (1994). Telephone skills at work. Business One Irwin/Mirror Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFisher, Judith E. Telephone Skills at Work. Burr Ridge, Ill.: Business One Irwin/Mirror Press, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFisher, Judith E. Telephone Skills at Work. Business One Irwin/Mirror Press, 1994.
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