Bikner-Ahsbahs, A., Vohns, A., Schmitt, O., Bruder, R., & Dörfler, W. (2016). Theories in and of Mathematics Education: Theory Strands in German Speaking Countries. Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-42589-4
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Bikner-Ahsbahs, Angelika, Andreas Vohns, Oliver Schmitt, Regina Bruder, ба Willi Dörfler. Theories in and of Mathematics Education: Theory Strands in German Speaking Countries. Cham: Springer International Publishing : Imprint: Springer, 2016. https://doi.org/10.1007/978-3-319-42589-4.
MLA -ийн эшлэл (9 дэх хэвлэлт)Bikner-Ahsbahs, Angelika, et al. Theories in and of Mathematics Education: Theory Strands in German Speaking Countries. Springer International Publishing : Imprint: Springer, 2016. https://doi.org/10.1007/978-3-319-42589-4.