APA (7e ed.) Bronvermelding

Dignen, B. (2007). Fifty ways to improve your presentation skills in English: Without too much effort. Orient BlackSwan.

Chicago (17e ed.) Bronvermelding

Dignen, Bob. Fifty Ways to Improve Your Presentation Skills in English: Without Too Much Effort. Hyderabad: Orient BlackSwan, 2007.

MLA (8e ed.) Bronvermelding

Dignen, Bob. Fifty Ways to Improve Your Presentation Skills in English: Without Too Much Effort. Orient BlackSwan, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.