Cita APA

Reys, R. E. (2001). Helping children learn mathematics (6th ed.). New York: John Wiley and Sons.

Chicago Style Citation

Reys, Robert E. Helping Children Learn Mathematics. 6th ed. New York: John Wiley and Sons, 2001.

Cita MLA

Reys, Robert E. Helping Children Learn Mathematics. 6th ed. New York: John Wiley and Sons, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.