Dyfyniad APA

Comfort, J. (2007). Effective presentations: Oxford business english skills. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

Comfort, Jeremy. Effective Presentations: Oxford Business English Skills. Oxford: Oxford University Press, 2007.

Dyfyniad MLA

Comfort, Jeremy. Effective Presentations: Oxford Business English Skills. Oxford: Oxford University Press, 2007.

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