(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.
MLA引文Speaking With Confidence: How to Take the Worries Out of Business Presentations. New York: BusinessWeek, 1985.
警告:這些引文格式不一定是100%准確.