Dyfyniad APA

(1997). The clay marble and related readings. Evanston, Illinois: McDougal Littell.

Dyfyniad Arddull Chicago

The Clay Marble and Related Readings. Evanston, Illinois: McDougal Littell, 1997.

Dyfyniad MLA

The Clay Marble and Related Readings. Evanston, Illinois: McDougal Littell, 1997.

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