Firestone Mary. Cool Science Wireless Technology. Lerner.
Chicago-čujuhus (17. p.)Firestone Mary. Cool Science Wireless Technology. 2008 2008: Lerner.
MLA-čujuhus (9. p.)Firestone Mary. Cool Science Wireless Technology. Lerner.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.