Gaya APA

Jahnke, H, N., Hefendehl-Hebeker, L. (2019). Traditions in German-Speaking Mathematics Education Research (1st ed. 2019). : Springer International Publishing.

Gaya MLA

Jahnke, Hans, Niels., Hefendehl-Hebeker, Lisa. "Traditions in German-Speaking Mathematics Education Research". 1st ed. 2019 : Springer International Publishing, 2019. Electronic Resource.