Berenstain, S., & Berenstain, J. (1999). The Berenstain Bears and the big question. Random House.
Citación estilo ChicagoBerenstain, Stan, and Jan Berenstain. The Berenstain Bears and the Big Question. New York: Random House, 1999.
Cita MLABerenstain, Stan, and Jan Berenstain. The Berenstain Bears and the Big Question. Random House, 1999.
Warning: These citations may not always be 100% accurate.