(2006). Children's mathematics: Making marks, making meaning (2nd ed.).
Cita Chicago Style (17a ed.)Children's Mathematics: Making Marks, Making Meaning. 2nd ed. 2006.
Cita MLA (9a ed.)Children's Mathematics: Making Marks, Making Meaning. 2nd ed. 2006.
Precaución: Estas citas no son 100% exactas.
