APA aipamena

(2001). Writer's choice: Grammar and composition. New York: McGraw-Hill.

Chicago Style aipamena

Writer's Choice: Grammar and Composition. New York: McGraw-Hill, 2001.

MLA aipamena

Writer's Choice: Grammar and Composition. New York: McGraw-Hill, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.