Cita APA

Dignen, B. (2011). Fifty ways to improve your presentation skills in English: Without too much effort. Orient BlackSwan.

Citación estilo Chicago

Dignen, Bob. Fifty Ways to Improve Your Presentation Skills in English: Without Too Much Effort. Hyderabad: Orient BlackSwan, 2011.

Cita MLA

Dignen, Bob. Fifty Ways to Improve Your Presentation Skills in English: Without Too Much Effort. Orient BlackSwan, 2011.