Smith .D. Ency of educatinal measurement and evalivation vol.2.
Chicago-čujuhus (17. p.)Smith .D. Ency of Educatinal Measurement and Evalivation Vol.2.
MLA-čujuhus (9. p.)Smith .D. Ency of Educatinal Measurement and Evalivation Vol.2.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.