Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.