Citazione Stile APA (7a Edizione)

Hanna, G., & de Villiers, M. (2012). Proof and Proving in Mathematics Education: The 19th ICMI Study. Springer Netherlands. https://doi.org/10.1007/978-94-007-2129-6

Citazione stile Chigago Style (17a edizione)

Hanna, Gila, e Michael de Villiers. Proof and Proving in Mathematics Education: The 19th ICMI Study. Dordrecht: Springer Netherlands, 2012. https://doi.org/10.1007/978-94-007-2129-6.

Citatione MLA (9a ed.)

Hanna, Gila, e Michael de Villiers. Proof and Proving in Mathematics Education: The 19th ICMI Study. Springer Netherlands, 2012. https://doi.org/10.1007/978-94-007-2129-6.