Davidson, J. (2010). 31 ways speech, movement, and visual aids improve your presentation. Electronic & Database Pub.].
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Citação norma Chicago
Davidson, Jeff. 31 Ways Speech, Movement, and Visual Aids Improve Your Presentation. [East Rutherford, N.J.: Electronic & Database Pub.], 2010.
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Citação norma MLA
Davidson, Jeff. 31 Ways Speech, Movement, and Visual Aids Improve Your Presentation. Electronic & Database Pub.], 2010.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.