Biehler, R. (1994). Didactics of Mathematics as a scientific discipline. Kluwer Academic Publishers.
Chicago-čujuhus (17. p.)Biehler, Rolf. Didactics of Mathematics as a Scientific Discipline. Dordrecht: Kluwer Academic Publishers, 1994.
MLA-čujuhus (9. p.)Biehler, Rolf. Didactics of Mathematics as a Scientific Discipline. Kluwer Academic Publishers, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.