SpringerLink (Online & Emmer. (2011). Matematica e cultura 2011. Springer.
Cita Chicago (17th ed.)SpringerLink (Online i Emmer. Matematica E Cultura 2011. Milan: Springer, 2011.
Cita MLA (9th ed.)SpringerLink (Online i Emmer. Matematica E Cultura 2011. Springer, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.