Dyfyniad APA

Caldwell, J. H., Karp, K. S., Bay Williams, J. M., Rathmell, E., & Zbiek, R. M. Developing essential understanding of addition and subtraction for teaching mathematics in prekindergarten-grade 2.

Dyfyniad Arddull Chicago

Caldwell, Janet H., Karen S. Karp, Jannifer M. Bay Williams, Ed Rathmell, and Rose Mary Zbiek. Developing Essential Understanding of Addition and Subtraction for Teaching Mathematics in Prekindergarten-grade 2.

Dyfyniad MLA

Caldwell, Janet H., et al. Developing Essential Understanding of Addition and Subtraction for Teaching Mathematics in Prekindergarten-grade 2.

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