Dyfyniad APA

Berenstain, J., & Berenstain, M. (2010). The Berenstain bears: All aboard! Harper.

Dyfyniad Arddull Chicago

Berenstain, Jan, and Mike Berenstain. The Berenstain Bears: All Aboard! New York, NY: Harper, 2010.

Dyfyniad MLA

Berenstain, Jan, and Mike Berenstain. The Berenstain Bears: All Aboard! Harper, 2010.

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