Erickson, M. (2011). Beautiful mathematics. Mathematical Association of America.
Chicago-čujuhus (17. p.)Erickson, Martin. Beautiful Mathematics. Washington, D.C.: Mathematical Association of America, 2011.
MLA-čujuhus (9. p.)Erickson, Martin. Beautiful Mathematics. Mathematical Association of America, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.