(1985). Speaking with confidence: How to take the worries out of business presentations. New York: BusinessWeek.
Trích dẫn kiểu ChicagoSpeaking With Confidence: How to Take the Worries Out of Business Presentations. New York: BusinessWeek, 1985.
Deismireacht MLASpeaking With Confidence: How to Take the Worries Out of Business Presentations. New York: BusinessWeek, 1985.
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