Boocher,Dianna. (2005). Speak with Confidence: Powerful presentations that inform,inspire,and persuade. Tata McGraw-Hill.
Chicago Stili AlıntıBoocher,Dianna. Speak with Confidence: Powerful Presentations That Inform,inspire,and Persuade. New Delhi: Tata McGraw-Hill, 2005.
MLA AlıntıBoocher,Dianna. Speak with Confidence: Powerful Presentations That Inform,inspire,and Persuade. Tata McGraw-Hill, 2005.
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