Cita APA (7th ed.)

Sierpinska, A. (1994). Undertanding in mathematics. The Falmer Press.

Cita Chicago (17th ed.)

Sierpinska, Anna. Undertanding in Mathematics. Londres: The Falmer Press, 1994.

Cita MLA (9th ed.)

Sierpinska, Anna. Undertanding in Mathematics. The Falmer Press, 1994.