National Council of Teachers of Mathematics. (1994). Teaching children mathematics. National Council of Teachers of Mathematics.
Chicago-čujuhus (17. p.)National Council of Teachers of Mathematics. Teaching Children Mathematics. Reston, VA: National Council of Teachers of Mathematics, 1994.
MLA-čujuhus (9. p.)National Council of Teachers of Mathematics. Teaching Children Mathematics. National Council of Teachers of Mathematics, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.