Dyfyniad APA

Gower, R. (2006). Grammar in practice 6 (First edition.). Cambridge University Press.

Dyfyniad Arddull Chicago

Gower, Roger. Grammar in Practice 6. First edition. Cambridge: Cambridge University Press, 2006.

Dyfyniad MLA

Gower, Roger. Grammar in Practice 6. First edition. Cambridge University Press, 2006.

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