APA aipamena

pref. Randolph Quirk, D. S. (1991). Longman dictionary of contemporary English (New ed.). Longman.

Chicago Style aipamena

pref. Randolph Quirk, Della Summers. Longman Dictionary of Contemporary English. New ed. Longman, 1991.

MLA aipamena

pref. Randolph Quirk, Della Summers. Longman Dictionary of Contemporary English. New ed. Longman, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.