BENNETT, A. B., & NELSON, L. T. (2004). Mathematics for elementary teachers: A conceptual approach.-- ed.6. McGrawHill.
Cita Chicago (17th ed.)BENNETT, Albert B., i L. Ted NELSON. Mathematics for Elementary Teachers: A Conceptual Approach.-- Ed.6. Boston: McGrawHill, 2004.
Cita MLA (9th ed.)BENNETT, Albert B., i L. Ted NELSON. Mathematics for Elementary Teachers: A Conceptual Approach.-- Ed.6. McGrawHill, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.