Wright, R. J., Stanger, G., Stafford, A. K., & Martland, J. Teaching number in the classroom with a-8 year-olds.
Cita Chicago Style (17a ed.)Wright, Robert J., Garry Stanger, Ann K. Stafford, y James Martland. Teaching Number in the Classroom with A-8 Year-olds.
Cita MLA (8a ed.)Wright, Robert J., et al. Teaching Number in the Classroom with A-8 Year-olds.
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