Dyfyniad APA

National Council of Teachers of English & Hatfield, W. W. College English. National Council of Teachers of English.

Dyfyniad Arddull Chicago

National Council of Teachers of English and W. Wilbur Hatfield. College English. [Urbana, Ill.]: National Council of Teachers of English.

Dyfyniad MLA

National Council of Teachers of English and W. Wilbur Hatfield. College English. National Council of Teachers of English.

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