APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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