Jan Berenstain; Stan Berenstain. (2006). The Berenstain Bears Down on the Farm (I Can Read Level 1). HarperCollins.
Čikaški stil citiranja (17. izdanje)Jan Berenstain; Stan Berenstain. The Berenstain Bears Down on the Farm (I Can Read Level 1). HarperCollins, 2006.
MLA način citiranja (9. izdanje)Jan Berenstain; Stan Berenstain. The Berenstain Bears Down on the Farm (I Can Read Level 1). HarperCollins, 2006.
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