Bennett, A. B., & Nelson, L. T. (2004). Mathematics for elementary teachers: An activity approach (6th ed.). McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Bennett, Albert B., e Leonard T. Nelson. Mathematics for Elementary Teachers: An Activity Approach. 6th ed. Boston: McGraw-Hill, 2004.
Citatione MLA (9a ed.)Bennett, Albert B., e Leonard T. Nelson. Mathematics for Elementary Teachers: An Activity Approach. 6th ed. McGraw-Hill, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.