SpringerLink (Online service), Clarke, B., Grevholm, B., & Millman, R. (2009). Tasks in Primary Mathematics Teacher Education: Purpose, Use and Exemplars. Springer US.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Barbara Clarke, Barbro Grevholm, και Richard Millman. Tasks in Primary Mathematics Teacher Education: Purpose, Use and Exemplars. Boston, MA: Springer US, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Tasks in Primary Mathematics Teacher Education: Purpose, Use and Exemplars. Springer US, 2009.
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