Dyfyniad APA

Yancey, R. (2005). The extraordinary adventures of Alfred Kropp. Scholastic.

Dyfyniad Arddull Chicago

Yancey, Richard. The Extraordinary Adventures of Alfred Kropp. New York: Scholastic, 2005.

Dyfyniad MLA

Yancey, Richard. The Extraordinary Adventures of Alfred Kropp. Scholastic, 2005.

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