SpringerLink (Online service), Even, R., & Ball, D. L. (2009). The Professional Education and Development of Teachers of Mathematics: The 15th ICMI Study. Springer US.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Ruhama Even, και Deborah Loewenberg Ball. The Professional Education and Development of Teachers of Mathematics: The 15th ICMI Study. Boston, MA: Springer US, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. The Professional Education and Development of Teachers of Mathematics: The 15th ICMI Study. Springer US, 2009.
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