Berenstain, S., Berenstain, J., & Berenstain, M. (2008). The Berenstain Bears' big bedtime book. HarperCollins.
Lua i Stíl Chicago (17ú heag.)Berenstain, Stan, Jan Berenstain, agus Mike Berenstain. The Berenstain Bears' Big Bedtime Book. New York: HarperCollins, 2008.
Lua MLA (8ú heag.)Berenstain, Stan, et al. The Berenstain Bears' Big Bedtime Book. HarperCollins, 2008.
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