Dyfyniad APA

Berenstain, S., & Berenstain, J. (1983). The Berenstain Bears and the messy room. Random House.

Dyfyniad Arddull Chicago

Berenstain, Stan, and Jan Berenstain. The Berenstain Bears and the Messy Room. New York: Random House, 1983.

Dyfyniad MLA

Berenstain, Stan, and Jan Berenstain. The Berenstain Bears and the Messy Room. Random House, 1983.

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