APA-viite (7. p.)
Dominique Guin, K. R. The Didactical Challenge of Symbolic Calculators: Turning a Computational Device into a Mathematical Instrument. Springer.
Chicago-viite (17. p.)
Dominique Guin, Kenneth Ruthven. The Didactical Challenge of Symbolic Calculators: Turning a Computational Device into a Mathematical Instrument. Nueva York, EUA: Springer.
MLA-viite (9. p.)
Dominique Guin, Kenneth Ruthven. The Didactical Challenge of Symbolic Calculators: Turning a Computational Device into a Mathematical Instrument. Springer.
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