APA (7th ed.) Zitazioa

Greenbaum, S. (1988). Good english and the grammarian. Longman.

Chicago Style (17th ed.) Zitazioa

Greenbaum, Sidney. Good English and the Grammarian. London, New York: Longman, 1988.

MLA (9th ed.) Zitazioa

Greenbaum, Sidney. Good English and the Grammarian. Longman, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.