Dyfyniad APA

Bereiter, C., & Anderson, V. (1989). Willy the Wisher and other thinking stories: An Open Court thinking story book. Open Court.

Dyfyniad Arddull Chicago

Bereiter, Carl, and Valerie Anderson. Willy the Wisher and Other Thinking Stories: An Open Court Thinking Story Book. La Salle, Ill.: Open Court, 1989.

Dyfyniad MLA

Bereiter, Carl, and Valerie Anderson. Willy the Wisher and Other Thinking Stories: An Open Court Thinking Story Book. Open Court, 1989.

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