pref. Randolph Quirk, D. S. (1991). Longman dictionary of contemporary English (New ed.). Longman.
Chicago Style (17th ed.) Citationpref. Randolph Quirk, Della Summers. Longman Dictionary of Contemporary English. New ed. Longman, 1991.
Cita MLApref. Randolph Quirk, Della Summers. Longman Dictionary of Contemporary English. New ed. Longman, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.