Bennett, A. B., Burton, L. J., & Nelson, L. T. (2007). Mathematics for elementary teachers: An activity approach (7th ed.). McGraw Hill Higher Education.
Cita Chicago (17th ed.)Bennett, Albert B., Laurie J. Burton, i Leonard T. Nelson. Mathematics for Elementary Teachers: An Activity Approach. 7th ed. Boston: McGraw Hill Higher Education, 2007.
Cita MLA (9th ed.)Bennett, Albert B., et al. Mathematics for Elementary Teachers: An Activity Approach. 7th ed. McGraw Hill Higher Education, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.