APA-čujuhus (7. p.)
ebrary, Inc, Kilpatrick, J., Swafford, J., & Findell, B. (2001). Adding it up: Helping children learn mathematics. National Academy Press.
Chicago-čujuhus (17. p.)
ebrary, Inc, Jeremy Kilpatrick, Jane Swafford, juo Bradford Findell. Adding It Up: Helping Children Learn Mathematics. Washington, DC: National Academy Press, 2001.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. Adding It Up: Helping Children Learn Mathematics. National Academy Press, 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.