Miller, M., & Lee, M. (1994). Estimation investigations: More than 65 activities to build mathematical reasoning and number sense. Scholastic Professional Books.
Citazione stile Chigago Style (17a edizione)Miller, Marcia, e Martin Lee. Estimation Investigations: More than 65 Activities to Build Mathematical Reasoning and Number Sense. New York: Scholastic Professional Books, 1994.
Citatione MLA (9a ed.)Miller, Marcia, e Martin Lee. Estimation Investigations: More than 65 Activities to Build Mathematical Reasoning and Number Sense. Scholastic Professional Books, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.