Dyfyniad APA

Ruetten, M. K. (2003). Developing composition skills (Second edition.). Thomson/Heinle.

Dyfyniad Arddull Chicago

Ruetten, Mary K. Developing Composition Skills. Second edition. Boston: Thomson/Heinle, 2003.

Dyfyniad MLA

Ruetten, Mary K. Developing Composition Skills. Second edition. Thomson/Heinle, 2003.

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