APA aipamena

Quirk, R., & Greenbaum, S. (1987). A University Grammar of English. London: Longman.

Chicago Style aipamena

Quirk, Randolph., và Sidney Greenbaum. A University Grammar of English. London: Longman, 1987.

MLA aipamena

Quirk, Randolph., và Sidney Greenbaum. A University Grammar of English. London: Longman, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.