Hansen, A. (2006). Children's errors in mathematics: Understanding common misconceptions in primary schools. Learning Matters.
Citazione stile Chigago Style (17a edizione)Hansen, Alice. Children's Errors in Mathematics: Understanding Common Misconceptions in Primary Schools. Exeter, EX: Learning Matters, 2006.
Citatione MLA (9a ed.)Hansen, Alice. Children's Errors in Mathematics: Understanding Common Misconceptions in Primary Schools. Learning Matters, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.