(1985). Speaking with confidence: How to take the worries out of business presentations. New York: BusinessWeek.
Chicago-stil citatSpeaking With Confidence: How to Take the Worries Out of Business Presentations. New York: BusinessWeek, 1985.
MLA-referensSpeaking With Confidence: How to Take the Worries Out of Business Presentations. New York: BusinessWeek, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.