Raffaella Franci

Il Liber Abaci di Leonardo Fibonacci 1202-2002

Bollettino Unione Matematica Italiana, N. 2, Vol. 5A, august 2002, pp. 293-328.

Alfred S. Posamentier

Math Wonders To Inspire Teachers And Students

ASCD, Alexandria 2003.

Peter McOwan e Matt Parker

The Manual of Mathematical Magic

Queen Mary University, London 2010.

Martin Gardner

The College Mathematics Journal

Mathematical Association of America, january 2012.