Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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