National Research Council (U.S.). Committee on Early Childhood Mathematics, ebrary, Inc, Cross, C. T., Woods, T. A., & Schweingruber, H. A. (2009). Mathematics learning in early childhood: Paths toward excellence and equity. National Academies Press.
芝加哥风格引文National Research Council (U.S.). Committee on Early Childhood Mathematics, Inc ebrary, Christopher T. Cross, Taniesha A. Woods, 与 Heidi A. Schweingruber. Mathematics Learning in Early Childhood: Paths Toward Excellence and Equity. Washington, DC: National Academies Press, 2009.
MLA引文National Research Council (U.S.). Committee on Early Childhood Mathematics, et al. Mathematics Learning in Early Childhood: Paths Toward Excellence and Equity. National Academies Press, 2009.