Dyfyniad APA

Willoughby, S. S. (1981). Measuring bowser: Thinking story book. Open Court Publishers.

Dyfyniad Arddull Chicago

Willoughby, Stephen S. Measuring Bowser: Thinking Story Book. Illinois: Open Court Publishers, 1981.

Dyfyniad MLA

Willoughby, Stephen S. Measuring Bowser: Thinking Story Book. Open Court Publishers, 1981.

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