Παραπομπή APA

Williams, E. J. (2008). Presentations in english: Find your voice as a presenter. Oxford: Macmillan.

Παραπομπή Chicago Style

Williams, Erica J. Presentations in English: Find Your Voice As a Presenter. Oxford: Macmillan, 2008.

Παραπομπή MLA

Williams, Erica J. Presentations in English: Find Your Voice As a Presenter. Oxford: Macmillan, 2008.

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