APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.