APA (7th ed.) Zitazioa
Mark Lester. (2001). Glencoe writer's choice: Grammar and composition grade 9. McGraw Hill..
Chicago Style (17th ed.) Zitazioa
Mark Lester. Glencoe Writer's Choice: Grammar and Composition Grade 9. New York: McGraw Hill., 2001.
MLA (9th ed.) Zitazioa
Mark Lester. Glencoe Writer's Choice: Grammar and Composition Grade 9. McGraw Hill., 2001.
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