Dyfyniad APA

(1990). Webster's ninth new collegiate dictionary. Merriam Webster.

Dyfyniad Arddull Chicago

Webster's Ninth New Collegiate Dictionary. U S A: Merriam Webster, 1990.

Dyfyniad MLA

Webster's Ninth New Collegiate Dictionary. Merriam Webster, 1990.

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