Opposites and sorting. Sterling.
Chicago-čujuhus (17. p.)Opposites and Sorting. New Delhi: Sterling.
MLA-čujuhus (9. p.)Opposites and Sorting. Sterling.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
APA-čujuhus (7. p.)