SpringerLink (Online service), Fritz, A., Haase, V. G., & Räsänen, P. (2019). International Handbook of Mathematical Learning Difficulties: From the Laboratory to the Classroom (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-97148-3
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Annemarie Fritz, Vitor Geraldi Haase, και Pekka Räsänen. International Handbook of Mathematical Learning Difficulties: From the Laboratory to the Classroom. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-97148-3.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. International Handbook of Mathematical Learning Difficulties: From the Laboratory to the Classroom. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-97148-3.
