Whitehead, M. R. (1999). Supporting language and literacy development in the early years. Buckingham: Open University Press.
Chicago-tyylinen lähdeviittausWhitehead, Marian R. Supporting Language and Literacy Development in the Early Years. Buckingham: Open University Press, 1999.
MLA-viiteWhitehead, Marian R. Supporting Language and Literacy Development in the Early Years. Buckingham: Open University Press, 1999.
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