APA (7e ed.) Bronvermelding
Davidson, J. (2010). 31 ways speech, movement, and visual aids improve your presentation. Electronic & Database Pub.].
Chicago (17e ed.) Bronvermelding
Davidson, Jeff. 31 Ways Speech, Movement, and Visual Aids Improve Your Presentation. [East Rutherford, N.J.: Electronic & Database Pub.], 2010.
MLA (9e ed.) Bronvermelding
Davidson, Jeff. 31 Ways Speech, Movement, and Visual Aids Improve Your Presentation. Electronic & Database Pub.], 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.