Berenstain, S., & Berenstain, J. (1999). The Berenstain Bears catch the bus. Random House.
Lua i Stíl Chicago (17ú heag.)Berenstain, Stan, agus Jan Berenstain. The Berenstain Bears Catch the Bus. New York: Random House, 1999.
Lua MLA (8ú heag.)Berenstain, Stan, agus Jan Berenstain. The Berenstain Bears Catch the Bus. Random House, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.