Wright, R. J. (2006). Teaching number in the classroom with 4-8 year-olds. P. Chapman.
Čikaški stil citiranja (17. izdanje)Wright, Robert J. Teaching Number in the Classroom with 4-8 Year-olds. London: P. Chapman, 2006.
MLA način citiranja (9. izdanje)Wright, Robert J. Teaching Number in the Classroom with 4-8 Year-olds. P. Chapman, 2006.
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