Swan, M., & Baker, D. (2008). Grammar scan: Diagnostic tests for practical english usage (3a. ed.). Oxford University Press.
Chicago Style (17. basım) AtıfSwan, Michael, ve David Baker. Grammar Scan: Diagnostic Tests for Practical English Usage. 3a. ed. Oxford: Oxford University Press, 2008.
MLA (9th ed.) AtıfSwan, Michael, ve David Baker. Grammar Scan: Diagnostic Tests for Practical English Usage. 3a. ed. Oxford University Press, 2008.
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