Brain, M. (2001). How stuff works. Hungry Minds.
Chicago-čujuhus (17. p.)Brain, Marshall. How Stuff Works. Nueva York: Hungry Minds, 2001.
MLA-čujuhus (9. p.)Brain, Marshall. How Stuff Works. Hungry Minds, 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.