(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 citiranjeSpeaking With Confidence: How to Take the Worries Out of Business Presentations. New York: BusinessWeek, 1985.
Opozorilo: Ti citati niso vedno 100% točni.