Dignen, B. (2007). Fifty ways to improve your presentation skills in English: Without too much effort. Orient BlackSwan.
Citación estilo ChicagoDignen, 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.
Warning: These citations may not always be 100% accurate.