Davis, G. A., & Keller, J. D. (2009). Exploring science and mathematics in a child's world. Pearson Merrill/Prentice Hall.
Čikaški stil citiranja (17. izdanje)Davis, Genevieve A., i J. David Keller. Exploring Science and Mathematics in a Child's World. Upper Saddle River, N.J: Pearson Merrill/Prentice Hall, 2009.
MLA način citiranja (9. izdanje)Davis, Genevieve A., i J. David Keller. Exploring Science and Mathematics in a Child's World. Pearson Merrill/Prentice Hall, 2009.
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