Cita APA (7th ed.)

Guin, D., Ruthven, K., & Trouche, L. (2005). The didactical challenge of simbolic calculators: Turning a computational device into a mathematical instrument. Springer.

Cita Chicago (17th ed.)

Guin, Dominique, Kenneth Ruthven, i Luc Trouche. The Didactical Challenge of Simbolic Calculators: Turning a Computational Device into a Mathematical Instrument. Nueva York: Springer, 2005.

Cita MLA (9th ed.)

Guin, Dominique, et al. The Didactical Challenge of Simbolic Calculators: Turning a Computational Device into a Mathematical Instrument. Springer, 2005.