SpringerLink (Online service), Benz, C., Steinweg, A. S., Gasteiger, H., Schöner, P., Vollmuth, H., & Zöllner, J. (2018). Mathematics Education in the Early Years: Results from the POEM3 Conference, 2016 (1st ed. 2018.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-78220-1
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Christiane Benz, Anna S. Steinweg, Hedwig Gasteiger, Priska Schöner, Helene Vollmuth, και Johanna Zöllner. Mathematics Education in the Early Years: Results from the POEM3 Conference, 2016. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-78220-1.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Mathematics Education in the Early Years: Results from the POEM3 Conference, 2016. 1st ed. 2018. Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-319-78220-1.