Dyfyniad APA

Byrne, T. (2004). New English file: Elementary : Business resource book. Oxford: Oxford Univ. Press.

Dyfyniad Arddull Chicago

Byrne, Tracy. New English File: Elementary : Business Resource Book. Oxford: Oxford Univ. Press, 2004.

Dyfyniad MLA

Byrne, Tracy. New English File: Elementary : Business Resource Book. Oxford: Oxford Univ. Press, 2004.

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