APA aipamena

Douglas Biber ... [et al.]. (1999). Longman grammar of spoken and written english. England: Longman.

Chicago Style aipamena

Douglas Biber ... [et al.]. Longman Grammar of Spoken and Written English. England: Longman, 1999.

MLA aipamena

Douglas Biber ... [et al.]. Longman Grammar of Spoken and Written English. England: Longman, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.