Citazione Stile APA (7a Edizione)

Comfort J. Jeremy & Utley D. Derek. (2005). Effective Presentations: Oxford Business English Skills. New York, Oxford University Press, 2005.

Citazione stile Chigago Style (17a edizione)

Comfort J. Jeremy e Utley D. Derek. Effective Presentations: Oxford Business English Skills. New York, Oxford University Press, 2005, 2005.

Citatione MLA (9a ed.)

Comfort J. Jeremy e Utley D. Derek. Effective Presentations: Oxford Business English Skills. New York, Oxford University Press, 2005, 2005.