Dyfyniad APA

(1987). Webster's ninth new collegiate dictionary. USA: Merriam-Webster Inc..

Dyfyniad Arddull Chicago

Webster's Ninth New Collegiate Dictionary. USA: Merriam-Webster Inc., 1987.

Dyfyniad MLA

Webster's Ninth New Collegiate Dictionary. USA: Merriam-Webster Inc., 1987.

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