Gaya APA
Blum, W. et al (2019).
European Traditions in Didactics of Mathematics (1st ed. 2019).
:
Springer International Publishing.
Gaya MLA
Blum, Werner. et al.
"European Traditions in Didactics of Mathematics".
1st ed. 2019
:
Springer International Publishing,
2019.
Electronic Resource.