Mike Berenstain. (2017). The Berenstain Bears' Big Machines (I Can Read Level 1). HarperCollins.
Chicago-čujuhus (17. p.)Mike Berenstain. The Berenstain Bears' Big Machines (I Can Read Level 1). HarperCollins, 2017.
MLA-čujuhus (9. p.)Mike Berenstain. The Berenstain Bears' Big Machines (I Can Read Level 1). HarperCollins, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.