How things work.
Chicago-čujuhus (17. p.)How Things Work.
MLA-čujuhus (9. p.)How Things Work.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
APA-čujuhus (7. p.)
How things work.
Chicago-čujuhus (17. p.)How Things Work.
MLA-čujuhus (9. p.)How Things Work.