(1985). Speaking with confidence: How to take the worries out of business presentations. New York: BusinessWeek.
Citação norma ChicagoSpeaking With Confidence: How to Take the Worries Out of Business Presentations. New York: BusinessWeek, 1985.
Citação norma MLASpeaking With Confidence: How to Take the Worries Out of Business Presentations. New York: BusinessWeek, 1985.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.