APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.