Dyfyniad APA

(1990). Across five aprils and related readings. Evanston, Illinois: McDougal Littell.

Dyfyniad Arddull Chicago

Across Five Aprils and Related Readings. Evanston, Illinois: McDougal Littell, 1990.

Dyfyniad MLA

Across Five Aprils and Related Readings. Evanston, Illinois: McDougal Littell, 1990.

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