Dyfyniad APA

Vince, M., & Emmerson, P. (2003). First Certificate: Language practice. Oxford University Press.

Dyfyniad Arddull Chicago

Vince, Michael, and Paul Emmerson. First Certificate: Language Practice. Oxford: Oxford University Press, 2003.

Dyfyniad MLA

Vince, Michael, and Paul Emmerson. First Certificate: Language Practice. Oxford University Press, 2003.

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