Dyfyniad APA

Swan, M., & Baker, D. (2008). Grammar scan: Diagnostic tests for practical english usage (Third edition.). Oxford University Press.

Dyfyniad Arddull Chicago

Swan, Michael, and David Baker. Grammar Scan: Diagnostic Tests for Practical English Usage. Third edition. New York: Oxford University Press, 2008.

Dyfyniad MLA

Swan, Michael, and David Baker. Grammar Scan: Diagnostic Tests for Practical English Usage. Third edition. Oxford University Press, 2008.

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