Cita APA (7a ed.)
Davidson, J. (2010). 31 ways speech, movement, and visual aids improve your presentation. Electronic & Database Pub.].
Cita Chicago Style (17a ed.)
Davidson, Jeff. 31 Ways Speech, Movement, and Visual Aids Improve Your Presentation. [East Rutherford, N.J.: Electronic & Database Pub.], 2010.
Cita MLA (9a ed.)
Davidson, Jeff. 31 Ways Speech, Movement, and Visual Aids Improve Your Presentation. Electronic & Database Pub.], 2010.
Precaución: Estas citas no son 100% exactas.