ebrary, Inc, Rakison, D. H., & Oakes, L. M. (2003). Early category and concept development: Making sense of the blooming, buzzing confusion. Oxford University Press.
Čikaški stil citiranja (17. izdanje)ebrary, Inc, David H. Rakison, i Lisa M. Oakes. Early Category and Concept Development: Making Sense of the Blooming, Buzzing Confusion. Oxford ; New York: Oxford University Press, 2003.
MLA način citiranja (9. izdanje)ebrary, Inc, et al. Early Category and Concept Development: Making Sense of the Blooming, Buzzing Confusion. Oxford University Press, 2003.
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