Dyfyniad APA

O'Connor, J. (1977). Better English Pronounciation. Cambridge University Press.

Dyfyniad Arddull Chicago

O'Connor, J.D. Better English Pronounciation. London: Cambridge University Press, 1977.

Dyfyniad MLA

O'Connor, J.D. Better English Pronounciation. Cambridge University Press, 1977.

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