Dyfyniad APA

Berenstain, S., & Berenstain, J. (1981). The Berenstain bears and the sitter. Random House.

Dyfyniad Arddull Chicago

Berenstain, Stan, and Jan Berenstain. The Berenstain Bears and the Sitter. New York: Random House, 1981.

Dyfyniad MLA

Berenstain, Stan, and Jan Berenstain. The Berenstain Bears and the Sitter. Random House, 1981.

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