Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Guin, D., Ruthven, K., & Trouche, L. (2005). The Didactical Challenge of Symbolic Calculators: Turning a Computational Device into a Mathematical Instrument. Springer US.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Dominique Guin, Kenneth Ruthven, και Luc Trouche. The Didactical Challenge of Symbolic Calculators: Turning a Computational Device into a Mathematical Instrument. Boston, MA: Springer US, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. The Didactical Challenge of Symbolic Calculators: Turning a Computational Device into a Mathematical Instrument. Springer US, 2005.