Lehrer, R., Slovin, H., Dougherty, B. J., & Zbiek, R. M. Developing essential understanding of geometry and measurement for teaching mathematics in grades 3-5.
Lua i Stíl Chicago (17ú heag.)Lehrer, Richard, Hannah Slovin, Barbara J. Dougherty, agus Rose Mary Zbiek. Developing Essential Understanding of Geometry and Measurement for Teaching Mathematics in Grades 3-5.
Lua MLA (8ú heag.)Lehrer, Richard, et al. Developing Essential Understanding of Geometry and Measurement for Teaching Mathematics in Grades 3-5.
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