Dignen, B. (2007). Fifty ways to improve your presentation skills in english without too much effort. Orient Blackswan.
Chicago Edition CitationDignen, Bob. Fifty Ways to Improve Your Presentation Skills in English Without Too Much Effort. Hyderabad: Orient Blackswan, 2007.
Cita MLADignen, Bob. Fifty Ways to Improve Your Presentation Skills in English Without Too Much Effort. Orient Blackswan, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.