Dyfyniad APA

Berenstain, S., & Berenstain, J. (1999). The Berenstain Bears catch the bus. Random House.

Dyfyniad Arddull Chicago

Berenstain, Stan, and Jan Berenstain. The Berenstain Bears Catch the Bus. New York: Random House, 1999.

Dyfyniad MLA

Berenstain, Stan, and Jan Berenstain. The Berenstain Bears Catch the Bus. Random House, 1999.

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