Dyfyniad APA

Corbett,Edward P J. (1999). The writing teachers sourcebook. Oxford University Press.

Dyfyniad Arddull Chicago

Corbett,Edward P J. The Writing Teachers Sourcebook. New York: Oxford University Press, 1999.

Dyfyniad MLA

Corbett,Edward P J. The Writing Teachers Sourcebook. Oxford University Press, 1999.

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