APA-čujuhus (7. p.)
Grinstein, L. S., & Lipsey, S. I. Encyclopedia of Mathematics Education. Routledge.
Chicago-čujuhus (17. p.)
Grinstein, Louise S., juo Sally I. Lipsey. Encyclopedia of Mathematics Education. Nueva York, EUA: Routledge.
MLA-čujuhus (9. p.)
Grinstein, Louise S., juo Sally I. Lipsey. Encyclopedia of Mathematics Education. Routledge.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.